The best broccoli seeds depend on whether you want mature garden heads, tender microgreens, or sprouts for the kitchen. I’d put Sow Right Seeds Waltham 29 forward as the best overall garden pick, while NOW Foods Broccoli Seeds suit sprouting in a smaller pack and Organo Republic’s 1-pound bag stands out for bulk growing. The main tradeoffs are seed quantity, intended use, and whether you want one dependable variety or several to try. Garden seeds and sprouting seeds are not automatically interchangeable, so matching the package to your growing method matters. Read on for the full breakdown and a guide to choosing the right broccoli seeds for your setup.
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Key Takeaways
- Growing purpose is the biggest dividing line: the lineup includes garden varieties such as Waltham 29 and Green Sprouting Calabrese, alongside products marketed for sprouts or microgreens.
- Waltham 29 appears in many forms: buyers can choose a small-count packet, a gram-sized pack, a larger seed count, or a bulk bag rather than treating the variety as a single product.
- Variety packs trade focus for experimentation: the five-variety collection gives gardeners more to compare, while a single-variety packet is a simpler match for repeat planting.
- Bulk sprouting packs suit frequent harvests: the one-pound options offer more seed for ongoing batches, but are a less sensible fit for occasional sprouters with limited storage.
- Organic, heirloom, and non-GMO labels answer different questions: these descriptors do not by themselves tell you whether a seed is intended for garden production or indoor sprouting.
| Broccoli Seeds for Planting – 5 Heirloom Varieties |  | Best for Variety | Brand: Survival Garden Seeds | Varieties: Calabrese, Waltham 29, Purple Sprouting, Romanesco, San Marzano Raab | Seed type: Heirloom, non-GMO, untreated, open-pollinated | VIEW LATEST PRICE | See Our Full Breakdown |
| NOW Foods Broccoli Seeds for Sprouting, Non-GMO, 4 oz |  | Best for Small-Batch Sprouting | Brand: NOW Foods | Product type: Broccoli seeds for sprouting | Net weight: 4 oz | VIEW LATEST PRICE | See Our Full Breakdown |
| Waltham 29 Broccoli Seeds for Sprouting & Microgreens – Non-GMO Heirloom, 1 lb Resealable Bag |  | Best for High-Volume Indoor Growing | Brand: Rainbow Heirloom Seed Co. | Variety: Waltham 29 (Brassica oleracea L. var. italica) | Weight: 16 oz (1 lb) | VIEW LATEST PRICE | See Our Full Breakdown |
| Purely Organic Waltham 29 Broccoli Seeds, Approx. 750 Seeds |  | Best Organic Single Variety | Variety: Waltham 29 | Seed count: Approximately 750 | Weight: 4.54 g | VIEW LATEST PRICE | See Our Full Breakdown |
| Sow Right Seeds Broccoli Seed Collection |  | Best Variety Collection for Guided Growing | Varieties: Di Cicco, Waltham 29, Early Purple Sprouting, Romanesco, Green Sprouting Calabrese | Plant type: Vegetable | Usage: Outdoor | VIEW LATEST PRICE | See Our Full Breakdown |
| Organic Broccoli Sprout Seeds, 8 oz |  | Best for Certified-Organic Sprouting | Seed type: Broccoli (Brassica oleracea var. italica) | Quantity: 8 oz | Weight: 0.24 kg | VIEW LATEST PRICE | See Our Full Breakdown |
| SVI Waltham 29 Broccoli Seeds, 1,000 Count |  | Best for Large Gardens and Repeat Harvests | Seed count: 1,000 | Variety: Waltham 29 | Seed type: Heirloom, open-pollinated, GMO-free | VIEW LATEST PRICE | See Our Full Breakdown |
| 250 Waltham 29 Heirloom Broccoli Seeds |  | Best for Small Home Gardens | Brand: RDR Seeds | Seed count: 250 | Variety: Waltham 29 | VIEW LATEST PRICE | See Our Full Breakdown |
| Sow Right Seeds Waltham 29 Broccoli Seeds |  | Best for Harvest Planning | Brand: Sow Right Seeds | Variety: Waltham 29 | Seed count: Approximately 200 seeds (750 mg) | VIEW LATEST PRICE | See Our Full Breakdown |
| Gardeners Basics Waltham 29 Broccoli Seeds, Heirloom, 1 Gram |  | Best for Straightforward Spring-and-Fall Planting | Variety: Waltham 29 | Seed quantity: 1 gram | Plant type: Broccoli | VIEW LATEST PRICE | See Our Full Breakdown |
| Sow Right Seeds Green Sprouting Calabrese Broccoli Seeds |  | Best for Extended Outdoor Harvests | Variety: Green Sprouting Calabrese | Seed count: Approximately 225 seeds (750 mg) | Maturity: 75–85 days | VIEW LATEST PRICE | See Our Full Breakdown |
| Organo Republic Broccoli Sprouting & Microgreens Seeds – Non-GMO, Heirloom, 1lb Resealable Bag |  | Best for Bulk Microgreens | Seed weight: 1 lb | Seed count: Over 130,000 seeds | Stated yield: Up to 30 trays (10 × 20 inches) | VIEW LATEST PRICE | See Our Full Breakdown |
| Nature Jim’s Organic Broccoli Sprouting Seeds, Non-GMO, 8 oz |  | Best Organic Sprouting Pick | Seed weight: 8 oz | Growing use: Sprouts and microgreens | Growing location: Indoor and outdoor | VIEW LATEST PRICE | See Our Full Breakdown |
| Waltham 29 Broccoli Seeds – Heirloom Non-GMO Vegetable Seeds |  | Best for Compact Cool-Season Gardens | Variety: Waltham 29 (Brassica oleracea italica) | Seed type: Heirloom, non-GMO, open-pollinated, untreated | Plant height: 20–24 inches | VIEW LATEST PRICE | See Our Full Breakdown |
| broccoli seed | Seed type | Sunlight | Variety |
|---|---|---|---|
| Broccoli Seeds for Planting | Heirloom, non-GMO, untreated, open-pollinated | Full sun | — |
| NOW Foods Broccoli Seeds for S | — | — | — |
| Waltham 29 Broccoli Seeds for | — | — | Waltham 29 (Brassica oleracea L. var. italica) |
| Purely Organic Waltham 29 Broc | — | Full sun | Waltham 29 |
| Sow Right Seeds Broccoli Seed | — | Full sun | — |
| Organic Broccoli Sprout Seeds | Broccoli (Brassica oleracea var. italica) | — | — |
| SVI Waltham 29 Broccoli Seeds | Heirloom, open-pollinated, GMO-free | Full sun | Waltham 29 |
| 250 Waltham 29 Heirloom Brocco | Heirloom | — | Waltham 29 |
| Sow Right Seeds Waltham 29 Bro | Heirloom, non-GMO | — | Waltham 29 |
| Gardeners Basics Waltham 29 Br | — | Full sun | Waltham 29 |
| Sow Right Seeds Green Sproutin | Heirloom, non-GMO | Full sun | Green Sprouting Calabrese |
| Organo Republic Broccoli Sprou | Heirloom, non-GMO | — | — |
| Nature Jim’s Organic Broccoli | — | Partial sun | — |
| Waltham 29 Broccoli Seeds | Heirloom, non-GMO, open-pollinated, untreated | Full sun | Waltham 29 (Brassica oleracea italica) |
More Details on Our Top Picks
Broccoli Seeds for Planting – 5 Heirloom Varieties
This collection is my pick for gardeners who want to compare broccoli types in the same outdoor growing season. Its five varieties—Calabrese, Waltham 29, Purple Sprouting, Romanesco, and San Marzano Raab—offer more range in form and harvest timing than the single-variety Purely Organic Waltham 29. The seeds are heirloom, open-pollinated, non-GMO, and untreated, so they also suit gardeners interested in saving seed. Listed for spring and fall planting in zones 3–9, the assortment gives a cool-weather garden more options across the season. The tradeoff is that five varieties call for more planning and space than one packet of Waltham 29; success also depends on regular watering and suitable loam soil. Choose it for variety, not the simplest planting plan.
Pros:- Five distinct heirloom varieties provide a broader mix of forms and harvest options than a single-variety packet.
- Open-pollinated, non-GMO, untreated seeds suit gardeners who want to save seed.
- Spring and fall planting recommendations support cool-season growing.
- Listed for USDA hardiness zones 3–9.
Cons:- Growing five varieties takes more garden space and labeling than planting one type.
- Cool-weather timing and regular watering require attention.
- Loam soil is listed for best results, which may call for soil preparation in other garden beds.
Best for: Outdoor gardeners with room to grow several broccoli types and an interest in comparing harvests or saving seed.
Not ideal for: Gardeners with limited bed space or anyone seeking one straightforward, single-variety crop.
- Brand:Survival Garden Seeds
- Varieties:Calabrese, Waltham 29, Purple Sprouting, Romanesco, San Marzano Raab
- Seed type:Heirloom, non-GMO, untreated, open-pollinated
- Quantity:5 packs
- Planting period:Spring and fall
- USDA hardiness zones:3–9
- Sunlight:Full sun
- Expected plant height:24 inches
- Soil type:Loam
Our verdict“Choose this collection if you want five seed-saving-friendly broccoli varieties for a planned spring or fall garden.”
NOW Foods Broccoli Seeds for Sprouting, Non-GMO, 4 oz
For a buyer who wants broccoli without a garden bed, these seeds are a focused choice: they are intended for indoor sprouting, not growing mature plants. A tablespoon is listed to yield about 84 g of sprouts after roughly three to five days, making the smaller 4-ounce container a practical way to prepare batches for salads or other meals. Compared with the Waltham 29 one-pound sprouting and microgreens bag, this pack is less suited to frequent, high-volume growing, but it asks for less seed storage and commitment. The tradeoff is the repeated soak, rinse, and drain routine; the instructions also recommend citric acid in rinse water to reduce mold formation. I’d pick it for occasional batches, not for gardeners seeking broccoli heads or a hands-off food.
Pros:- Designed specifically for sprouting rather than outdoor crop production.
- A 1-tablespoon serving is listed to yield about 84 g of sprouts.
- Non-GMO Project Verified.
- Sprouting time is listed as about three to five days.
Cons:- Requires several days of soaking, rinsing, and draining.
- Instructions recommend citric acid in rinse water to reduce mold formation.
- The 4-ounce pack offers less supply than the one-pound Waltham 29 sprouting option.
Best for: People with limited growing space who want to make modest batches of broccoli sprouts at home.
Not ideal for: Outdoor gardeners seeking mature broccoli plants or frequent sprouters who want a larger seed supply.
- Brand:NOW Foods
- Product type:Broccoli seeds for sprouting
- Net weight:4 oz
- GMO status:Non-GMO Project Verified
- Serving size:1 Tbsp (about 10 g seeds)
- Approximate yield per serving:84 g sprouts
- Servings per container:About 11
- Sprouting time:About 3–5 days
- Packaged in:USA
Our verdict“Pick this pack for occasional indoor sprouting batches, but choose a larger seed bag if you plan to grow sprouts often.”
Waltham 29 Broccoli Seeds for Sprouting & Microgreens – Non-GMO Heirloom, 1 lb Resealable Bag
This one-pound bag is the lineup’s strongest fit for people who expect to grow sprouts or microgreens regularly. Its Waltham 29 heirloom seeds are listed for year-round indoor use in jars, trays, or countertop sprouters, while the resealable bag provides far more seed than the NOW Foods 4-ounce sprouting pack. That makes it more practical for repeated batches, though it also means buying a supply that needs proper storage and regular use. The product description highlights high germination, but does not give a specific rate, so I would not treat that claim as a quantified guarantee. This is a sprouting and microgreen product, not a garden-bed seed choice for harvesting broccoli heads. Choose it for indoor volume; skip it if you only want a small trial batch or outdoor plants.
Pros:- One-pound resealable bag supplies more seed than the 4-ounce NOW Foods option.
- Waltham 29 is an heirloom, non-GMO variety.
- Listed for year-round indoor growing in jars, trays, or countertop sprouters.
- Grown and packed in the USA, according to the product description.
Cons:- Intended for sprouts and microgreens rather than full outdoor broccoli plants.
- A large quantity may be unnecessary for occasional sprouting.
- The product description calls germination high but does not provide a specific rate.
Best for: Regular home sprouters and microgreen growers who want a large supply of one heirloom variety for indoor use.
Not ideal for: Gardeners who want mature outdoor broccoli heads, or occasional sprouters who would rather start with a smaller pack.
- Brand:Rainbow Heirloom Seed Co.
- Variety:Waltham 29 (Brassica oleracea L. var. italica)
- Weight:16 oz (1 lb)
- Type:Non-GMO, heirloom
- Usage:Indoor sprouts and microgreens
- Planting period:Year-round
- Soil type:Loam
- Origin:USA
Our verdict“Choose this bag if you grow indoor broccoli sprouts or microgreens often and can use a one-pound supply.”
Purely Organic Waltham 29 Broccoli Seeds, Approx. 750 Seeds
For a conventional broccoli crop from a single variety, I’d put this USDA organic Waltham 29 packet ahead of sprouting-focused seeds. It contains approximately 750 seeds and is listed as heirloom, non-GMO, and open-pollinated, so it suits gardeners who want a substantial planting run and the option to save seed. The recommended indoor start, six to eight weeks before the last frost, gives seedlings time to develop before transplanting; compared with the five-variety Survival Garden Seeds collection, this is a more focused choice rather than a sampler. That narrower scope is also its limitation: there is no variety mix for gardeners who want to compare broccoli types. It calls for full sun, well-drained soil, and regular watering, plus space for plants listed to reach 30 inches. Choose it if organic certification matters more than variety breadth.
Pros:- USDA organic, non-GMO, heirloom, and open-pollinated seed attributes.
- Approximately 750 seeds support a larger planting than a small single-crop packet.
- Includes planting and harvesting instructions.
- Listed for USDA hardiness zones 2–11.
Cons:- Best results call for indoor starting and transplanting six to eight weeks before the last frost.
- Requires full sun, well-drained soil, and regular watering.
- Offers only Waltham 29, unlike the five-variety collections.
Best for: Gardeners seeking a USDA organic, open-pollinated Waltham 29 crop and willing to start seedlings indoors.
Not ideal for: Buyers who want multiple broccoli varieties in one order or prefer direct-sowing without indoor seed starting.
- Variety:Waltham 29
- Seed count:Approximately 750
- Weight:4.54 g
- Seed attributes:USDA organic, non-GMO, heirloom, open-pollinated
- Expected plant height:30 inches
- Sunlight:Full sun
- Soil type:Well-drained
- Planting period:Spring
- USDA hardiness zones:2–11
Our verdict“Choose this packet for a sizeable organic Waltham 29 planting if you are prepared to start and transplant seedlings.”
Sow Right Seeds Broccoli Seed Collection
This collection pairs five non-GMO heirloom varieties with growing instructions, making it a practical choice for gardeners who want variety without piecing together separate packets. Its Di Cicco, Waltham 29, Early Purple Sprouting, Romanesco, and Green Sprouting Calabrese overlap with the Survival Garden Seeds assortment, but the combinations are not identical: this pack includes Di Cicco and Early Purple Sprouting, while the other includes San Marzano Raab and Purple Sprouting. The listed outdoor use and spring-to-fall harvest period suit a planned cool-season bed, and removing central heads can encourage side shoots for a longer picking period. The tradeoff is the same one that comes with any multi-variety set: more space and crop timing to manage than the single-variety Purely Organic Waltham 29. Full sun and regular watering are also specified.
Pros:- Five non-GMO heirloom varieties provide more choice than a single-variety packet.
- Growing instructions are included.
- Removing central heads can encourage side shoots and extend harvest.
- Listed for outdoor growing with a spring-to-fall blooming period.
Cons:- Managing five varieties takes more bed space and planting organization than growing one type.
- Requires full sun and regular watering.
- The listing specifies sandy soil, which may not match every garden bed.
Best for: Outdoor gardeners who want five heirloom broccoli varieties, included growing instructions, and the option to harvest side shoots.
Not ideal for: Small-space growers or buyers who want one variety with a simpler planting and harvest schedule.
- Varieties:Di Cicco, Waltham 29, Early Purple Sprouting, Romanesco, Green Sprouting Calabrese
- Plant type:Vegetable
- Usage:Outdoor
- Seed features:Non-GMO, heirloom
- Sunlight:Full sun
- Soil type:Sandy soil
- Watering:Regular
- Blooming period:Spring to fall
- Number of pieces:29
Our verdict“Choose this collection if you want guided outdoor growing with five varieties and are ready to manage their space and watering needs.”
Organic Broccoli Sprout Seeds, 8 oz
I’d choose these seeds when organic certification and sprouting suitability matter more than garden-specific planting detail. They are U.S.-grown, Oregon Tilth certified organic, non-GMO, and open-pollinated, with testing listed for pathogens, purity, and germination—a useful distinction from the Waltham 29 garden packets in this lineup, which are aimed at growing mature heads and side shoots. This 8-ounce pack is also suited to microgreens, giving sprout and tray growers more flexibility than a seed packet focused on outdoor planting. The tradeoff is that the product data provides no sprouting directions or growing instructions, so beginners may need to find their own guidance on soaking, rinsing, and harvest timing. I’d skip it if your main goal is a garden bed of full-size broccoli.
Pros:- Certified organic by Oregon Tilth and labeled non-GMO
- Tested for pathogens, purity, and germination
- Intended for both sprouts and microgreens
- U.S.-grown, open-pollinated seed
Cons:- No sprouting or microgreen instructions are provided
- The listing does not specify a broccoli variety or garden-planting guidance
Best for: Sprout and microgreen growers who prioritize certified-organic, U.S.-grown seed and want pathogen testing listed.
Not ideal for: Gardeners seeking planting instructions or seeds specifically presented for growing full-size broccoli heads.
- Seed type:Broccoli (Brassica oleracea var. italica)
- Quantity:8 oz
- Weight:0.24 kg
- Certifications and attributes:Certified organic, non-GMO, open-pollinated
- Origin:USA
- Intended use:Sprouting and microgreens
- Testing:Tested for pathogens, purity, and germination
Our verdict“Choose this pack for certified-organic sprouts or microgreens, but pick a Waltham 29 garden seed if you want guidance for growing full-size heads.”
SVI Waltham 29 Broccoli Seeds, 1,000 Count
Among the garden-focused choices here, I’d rank this one highest for growers who want plenty of seed and a longer picking window. Its 1,000-seed pack and Waltham 29’s side shoots make it a better fit for multiple plants or staggered sowing than RDR Seeds’ 250-seed packet. It also includes packet guidance, plus spring-to-fall planting information, which gives newer gardeners more to work from than the Gardeners Basics listing. The main compromise is that the product description warns of non-uniform maturity: plants may not be ready together, which can complicate harvest planning. Regular watering is also specified, so this is not the simplest choice for a hands-off plot. I’d choose it over sprouting-focused products when the goal is repeated garden harvests.
Pros:- Large 1,000-seed quantity supports multiple sowings
- Waltham 29 produces side shoots after the main head
- Suitable for spring or fall planting
- Packet includes planting guidance
Cons:- Maturity is described as non-uniform
- Regular watering is required
- The large seed count may exceed the needs of a small garden
Best for: Home gardeners planting several broccoli rows or succession sowings who want side shoots and packet-level planting guidance.
Not ideal for: Small-space growers who only need a few plants, or gardeners who need a tightly synchronized harvest.
- Seed count:1,000
- Variety:Waltham 29
- Seed type:Heirloom, open-pollinated, GMO-free
- Germination time:3–10 days
- Planting depth:1/4 inch
- Expected plant height:20 inches
- Sunlight:Full sun
- USDA hardiness zones:3–12
- Watering:Regular
Our verdict“Pick this pack for a larger garden and repeat harvests; choose RDR Seeds’ 250-count packet if you need a smaller quantity.”
250 Waltham 29 Heirloom Broccoli Seeds
I’d favor this packet for a household garden that needs a manageable seed supply rather than the 1,000 seeds in SVI Waltham 29. The 250-count pack still offers Waltham 29’s blue-green central heads and follow-up side shoots, while the included guidance covers indoor starting and outdoor transplanting for spring or fall. That makes it a more practical small-garden choice than a bulk pack, though the Sow Right Seeds Waltham 29 listing gives a stated maturity window and head-size estimate that this product does not. The waterproof packet is a useful storage detail, but it does not remove the usual uncertainty: harvest depends on germination, weather, spacing, timing, and care. I’d choose it for a few beds, not for someone planning a large planting or needing predictable yields.
Pros:- 250 seeds suit a small garden better than a 1,000-seed pack
- Waltham 29 can produce central heads and smaller side shoots
- Guidance covers starting indoors and transplanting outdoors
- Waterproof packet supports seed storage
Cons:- No specific maturity time is provided
- Results depend on germination, weather, spacing, timing, and care
- Germination can decline as seeds age
Best for: Home gardeners who want a moderate quantity of Waltham 29 seed with basic indoor-starting and transplanting guidance.
Not ideal for: Large-scale growers who need bulk seed, or planners who want a stated maturity estimate before planting.
- Brand:RDR Seeds
- Seed count:250
- Variety:Waltham 29
- Seed type:Heirloom
- Planting season:Spring and fall
- Planting depth:1/4–1/2 inch
- Typical emergence:5–10 days
- Transplant spacing:18–24 inches
- Packet:Waterproof
Our verdict“Choose this packet for a modest spring or fall garden; select Sow Right Seeds if a listed maturity window matters more to your planning.”
Sow Right Seeds Waltham 29 Broccoli Seeds
This Waltham 29 packet is the clearest fit for gardeners who like to plan around stated crop dimensions and timing. The listing gives a 50–60 day maturity window, a 5–6-inch head size, and a 20–24-inch plant height—details missing from RDR Seeds’ 250-count packet. It also describes cold and drought tolerance and abundant side shoots, so the crop may offer more than one picking from each plant. The pack contains about 200 seeds, however, making it less suited to broad plantings than SVI’s 1,000-count option. The listed 4–6-inch spacing also calls for attention to layout, and the product specifies a preferred germination temperature of 70–75°F. I’d choose it for a home gardener who values concrete planning details, not someone sowing a large plot.
Pros:- Provides a 50–60 day maturity estimate
- Lists expected head size and plant height
- Waltham 29 produces side shoots after the main head
- Described as cold- and drought-tolerant
Cons:- About 200 seeds may be insufficient for large-scale planting
- Optimal germination is tied to a 70–75°F soil temperature range
- Specific spacing guidance requires careful bed planning
Best for: Home gardeners who want a stated maturity window and approximate head size to plan a small planting.
Not ideal for: Large gardens needing bulk seed, or growers who cannot manage the stated germination temperature range.
- Brand:Sow Right Seeds
- Variety:Waltham 29
- Seed count:Approximately 200 seeds (750 mg)
- Seed type:Heirloom, non-GMO
- Germination time:7–14 days
- Maturity time:50–60 days
- Plant height:20–24 inches
- Head size:5–6 inches
- USDA zones:3–10
Our verdict“Choose Sow Right Seeds when harvest timing and plant dimensions guide your garden plan; choose SVI for a much larger seed supply.”
Gardeners Basics Waltham 29 Broccoli Seeds, Heirloom, 1 Gram
I’d pick this packet for gardeners who want a simple Waltham 29 option and are comfortable supplying their own planting plan. Its 1-gram quantity is more modest than SVI’s 1,000-count pack, while the stated spring and fall seasons, full-sun exposure, and regular watering needs provide a basic picture of the crop. Like the RDR Seeds and Sow Right Seeds options, it can produce smaller side shoots after the central head; unlike those listings, it does not give a seed count, germination estimate, or planting depth. Its listed height of 27 inches is also taller than the 20-inch figure for SVI Waltham 29, which may affect placement in a compact bed. This is a reasonable uncomplicated garden packet, but not my pick for buyers who need detailed sowing guidance.
Pros:- Heirloom and labeled non-GMO
- Suitable for spring and fall planting
- Seeds may be started indoors or sown outdoors
- May produce side shoots after the central head
Cons:- No seed count or germination timing is specified
- Planting depth and spacing are not provided
- Regular watering and suitable cool-season weather are needed
Best for: Gardeners familiar with starting broccoli who want a modest Waltham 29 packet for a spring or fall bed.
Not ideal for: First-time growers who need explicit germination, depth, spacing, or seed-count information before planting.
- Variety:Waltham 29
- Seed quantity:1 gram
- Plant type:Broccoli
- Features:Heirloom, non-GMO
- Planting season:Spring and fall
- Sunlight:Full sun
- Expected plant height:27 inches
- Moisture needs:Regular watering
- USDA hardiness zones:3–10
Our verdict“Choose this 1-gram packet for a simple Waltham 29 planting if you already know how to start broccoli seeds.”
Sow Right Seeds Green Sprouting Calabrese Broccoli Seeds
Green Sprouting Calabrese suits gardeners who want full-sized broccoli heads followed by more picking, rather than seeds mainly intended for indoor sprouts. Its central heads and side shoots can stretch the harvest, while the mild, nutty flavor offers a traditional garden-broccoli profile. Compared with Waltham 29, this variety is listed for a broader USDA zone range, 3–10, but its 75–85-day maturity means it still calls for patience and outdoor space. The pack contains about 225 seeds, a practical quantity for a home planting rather than the very large batch in Organo Republic’s microgreens bag. A specific caveat is germination: the supplied guidance identifies 70°F soil as the target, so gardeners without control over sowing conditions may find establishment less straightforward.
Pros:- Produces a central head followed by side shoots for a longer harvest
- About 225 seeds suit a home garden without an oversized bulk supply
- Heirloom and non-GMO variety
- Includes planting instructions and a germination guarantee
Cons:- The listed 70°F soil target may require careful sowing timing or temperature management
- At 75–85 days to maturity, it is slower than seeds selected for quick indoor sprouts
- Needs outdoor garden space for plants listed at 24–36 inches tall
Best for: Outdoor gardeners who want a manageable seed quantity and repeated harvests of full broccoli heads and side shoots.
Not ideal for: Indoor sprout or microgreen growers, and gardeners unable to provide the listed 70°F soil temperature for optimal germination.
- Variety:Green Sprouting Calabrese
- Seed count:Approximately 225 seeds (750 mg)
- Maturity:75–85 days
- Germination time:7–14 days
- Plant height:24–36 inches
- Plant spread:12 inches
- Sunlight:Full sun
- USDA zones:3–10
- Seed type:Heirloom, non-GMO
Our verdict“Choose this Calabrese pack for successive outdoor broccoli harvests, but pick a sprouting variety if speed or indoor growing matters more.”
Organo Republic Broccoli Sprouting & Microgreens Seeds – Non-GMO, Heirloom, 1lb Resealable Bag
For households that grow trays of broccoli greens regularly, Organo Republic’s one-pound bag is the clear bulk option in this group. Its more than 130,000 seeds are intended for sprouts and microgreens, not for raising full-sized broccoli heads like Sow Right Seeds Green Sprouting Calabrese. The seeds can be grown in soil, coconut coir, hydroponic setups, or an Aerogarden, giving experienced indoor growers room to use their existing method. Resealable packaging and a stated shelf life of up to three years help make a large supply more manageable, and growing guides are included. The tradeoff is scale: the bag may be excessive for occasional batches, and seeds alone do not provide the trays or growing medium. Choose Nature Jim’s 8 oz seeds instead if a smaller sprouting supply better matches your routine.
Pros:- Over 130,000 seeds provide a substantial supply for repeated growing
- Compatible with soil, coconut coir, hydroponics, and Aerogarden systems
- Resealable bag has a stated shelf life of up to three years
- Includes growing guides for indoor cultivation
Cons:- The one-pound quantity may be more than a small household can use
- Growing trays and medium are not included
- Designed for sprouts and microgreens rather than mature broccoli plants
Best for: Frequent indoor sprout and microgreen growers who use trays or hydroponic equipment and can store a large seed supply.
Not ideal for: Casual growers with limited storage or anyone seeking seeds for outdoor, full-sized broccoli heads rather than sprouts and microgreens.
- Seed weight:1 lb
- Seed count:Over 130,000 seeds
- Stated yield:Up to 30 trays (10 × 20 inches)
- Growing use:Sprouts and microgreens
- Growing methods:Soil, coconut coir, hydroponics, or Aerogarden
- Growing season:Year-round indoor cultivation
- Shelf life:Up to 3 years
- Seed type:Heirloom, non-GMO
- Origin:Made in the USA
Our verdict“Pick Organo Republic for frequent indoor tray growing and a large seed reserve; choose a smaller pack for occasional sprouts.”
Nature Jim’s Organic Broccoli Sprouting Seeds, Non-GMO, 8 oz
Nature Jim’s 8-ounce pack is the more measured choice for buyers who want organic broccoli sprouts without committing to Organo Republic’s one-pound bulk bag. The listing describes seeds for indoor or outdoor sprouting and microgreens, with sprouts expected in about five days; that makes this a better fit for quick greens than Waltham 29, which is sold as a garden broccoli variety for heads and side shoots. Its organic and non-GMO positioning is a distinguishing feature in this set, though the provided details do not specify a seed count or growing yield, making batch planning harder than with Organo Republic’s stated tray capacity. The listed partial-sun exposure and sandy soil guidance also makes the instructions feel less flexible for growers relying on a different outdoor setup. For dependable bulk planning, the larger Organo Republic bag is clearer.
Pros:- Listed as organic and non-GMO
- Suitable for indoor and outdoor growing
- Described as sprouting in about five days
- Smaller pack than Organo Republic’s one-pound bag
Cons:- No seed count or growing yield is provided in the supplied product details
- Listed growing guidance specifies partial sun and sandy soil
- Intended for sprouts and microgreens rather than a named head-producing garden variety
Best for: Organic-minded home growers who want an 8-ounce supply for indoor sprouts or small-scale microgreens.
Not ideal for: Buyers who need a stated seed count or tray yield, or gardeners seeking a named full-sized broccoli cultivar for head production.
- Seed weight:8 oz
- Growing use:Sprouts and microgreens
- Growing location:Indoor and outdoor
- Growing period:Year-round
- Sprouting time:About 5 days
- Sunlight:Partial sun
- Listed soil type:Sandy soil
- Organic:Yes
- GMO status:Non-GMO
Our verdict“Choose Nature Jim’s for organic sprouts in a smaller pack, but select Organo Republic if you need bulk quantity and clearer tray-yield details.”
Waltham 29 Broccoli Seeds – Heirloom Non-GMO Vegetable Seeds
Waltham 29 earns its place for gardeners who need a compact, cool-season broccoli plant rather than seeds for indoor greens. At a listed 20–24 inches tall, it is a more space-conscious garden choice than Sow Right Seeds Green Sprouting Calabrese, which can reach 24–36 inches. The variety is described as cold-hardy and suited to spring and fall planting, with a 4–6-inch central head followed by side shoots. That combination can make a small raised bed or container more productive across a season. Its open-pollinated, heirloom, non-GMO, untreated seed profile will appeal to gardeners who prefer those attributes. The tradeoff is the extra work before planting: seeds should be started indoors three to four weeks before transplanting, and the supplied guidance calls for regular watering and loam soil. This is not a quick-sprout option like Nature Jim’s.
Pros:- Compact listed height suits raised beds, containers, and smaller gardens
- Cold-hardy variety suited to spring and fall planting
- Central heads are followed by side shoots for continued picking
- Heirloom, non-GMO, open-pollinated, and untreated
Cons:- Requires indoor starting three to four weeks before transplanting
- Needs regular watering and the listed loam soil conditions
- Produces mature garden broccoli rather than quick indoor sprouts
Best for: Small-space gardeners who can start transplants indoors and want a cool-season broccoli plant for a raised bed or container.
Not ideal for: Growers seeking ready-to-eat sprouts, or gardeners who cannot start seeds indoors and maintain regular watering.
- Variety:Waltham 29 (Brassica oleracea italica)
- Seed type:Heirloom, non-GMO, open-pollinated, untreated
- Plant height:20–24 inches
- Head size:4–6 inches
- USDA hardiness zones:3–9
- Sunlight:Full sun
- Planting period:Spring and fall
- Soil type:Loam
- Package:1 pack
Our verdict“Choose Waltham 29 for compact, cool-season head production if you can manage indoor starts; opt for a sprouting seed for faster indoor greens.”
How We Picked
I compared the 14 listings around the decisions that matter most to broccoli growers: intended use, variety, quantity, and clarity of the package description. Seeds for garden heads need to be judged differently from seeds sold for sprouts or microgreens, so I treated those as separate use cases instead of assuming one product suits every growing method. I also weighed how approachable the pack is for a new grower, how practical the quantity is for the stated use, and whether a multi-variety offering adds useful choice or simply complicates selection.
The ranking favors products with a clear role and a strong fit for common buyer needs, not a claim that one variety is universally superior. That puts versatile, clearly identified garden seeds near the top for general planting, while bulk sprouting bags rank higher for frequent indoor harvests and lower for occasional use. Where several products share Waltham 29, distinctions come from pack size and presentation—not an assumption that the variety itself changes. I did not treat labels such as organic or heirloom as proof of better growing results.
| broccoli seed | Seed type | Sunlight | Variety |
|---|---|---|---|
| Broccoli Seeds for Planting | Heirloom, non-GMO, untreated, open-pollinated | Full sun | — |
| NOW Foods Broccoli Seeds for S | — | — | — |
| Waltham 29 Broccoli Seeds for | — | — | Waltham 29 (Brassica oleracea L. var. italica) |
| Purely Organic Waltham 29 Broc | — | Full sun | Waltham 29 |
| Sow Right Seeds Broccoli Seed | — | Full sun | — |
| Organic Broccoli Sprout Seeds | Broccoli (Brassica oleracea var. italica) | — | — |
| SVI Waltham 29 Broccoli Seeds | Heirloom, open-pollinated, GMO-free | Full sun | Waltham 29 |
| 250 Waltham 29 Heirloom Brocco | Heirloom | — | Waltham 29 |
| Sow Right Seeds Waltham 29 Bro | Heirloom, non-GMO | — | Waltham 29 |
| Gardeners Basics Waltham 29 Br | — | Full sun | Waltham 29 |
| Sow Right Seeds Green Sproutin | Heirloom, non-GMO | Full sun | Green Sprouting Calabrese |
| Organo Republic Broccoli Sprou | Heirloom, non-GMO | — | — |
| Nature Jim’s Organic Broccoli | — | Partial sun | — |
| Waltham 29 Broccoli Seeds | Heirloom, non-GMO, open-pollinated, untreated | Full sun | Waltham 29 (Brassica oleracea italica) |
Factors to Consider When Choosing Best Broccoli Seeds
Before choosing a packet, start with what you want to harvest and how often you expect to grow it. These broader checks can prevent common mismatches that a product name alone will not resolve.
Choose Seeds for the Harvest You Want
Garden broccoli and indoor sprouts are different projects, even when both packages say broccoli seeds. A garden variety is selected for planting and growing toward mature plants, while sprouting products are marketed for repeated germination and eating at an early stage. Microgreens are cut after developing small leaves, so they also call for a different routine from growing full heads. Check the intended use on the package before focusing on variety or quantity. A common mistake is buying a large sprouting bag for a garden bed, or expecting a garden packet to serve as a dedicated food-sprouting supply. If you want both harvest styles, buying one clearly labeled option for each is easier than forcing one pack to do both jobs.
Match Variety to Your Garden Plan
Variety affects more than the name on the packet: it shapes what you are choosing to grow and how consistent your planting will be. Waltham 29 is represented heavily in this roundup, making it a straightforward choice if you want to compare pack sizes while sticking with one named variety. Green Sprouting Calabrese offers a distinct alternative for gardeners who want something beyond that repeated option. A multi-variety collection can help a curious gardener compare plants, but it may leave fewer seeds of each type for repeat sowings. If uniformity and a simple plan matter most, choose one variety; if exploration matters more, accept the smaller share of each variety in a collection. Check the seller’s variety and planting details rather than assuming different labels mean different growing needs.
Buy a Quantity You Can Use and Store
Seed count and bag weight are useful only when they match your planting rhythm. A small-count packet can make sense for a single garden bed or a first attempt, while a resealable pound bag is better suited to frequent batches of sprouts or microgreens. Bigger packs can reduce the need to reorder, but unused seed takes up space and needs sensible storage to retain quality. Avoid choosing bulk just because it sounds economical if you have not yet established how quickly you will use it. For garden sowing, think about how many plants you can manage and whether you plan repeat plantings. For indoor harvests, estimate how often you will prepare a batch before committing to a large supply.
Read Certification and Seed Claims Precisely
Organic, heirloom, and non-GMO describe different attributes, and none automatically guarantees a better harvest. Organic labeling concerns production standards, heirloom refers to a variety tradition, and non-GMO speaks to genetic modification claims. Look for the exact claim and any supporting details on the package rather than treating these terms as interchangeable quality grades. Also check whether the listing identifies the seed as suitable for food sprouting if that is your goal. A package can be non-GMO and still be intended primarily for garden planting. Choose the label that matches your own priorities, then use intended-use information and variety details to make the rest of the decision.
Plan for Local Growing Conditions
Broccoli performance depends on more than seed choice, especially planting timing and the conditions where plants will grow. Before buying, compare the package’s growing instructions with your local season, available space, and ability to keep seedlings watered and cared for. Garden packets and indoor sprouting bags call for different equipment and routines, so make sure your setup fits the product. New gardeners may find a clearly named single variety easier to track than a collection with several planting needs. Experienced growers can use multiple varieties to spread experiments across the season, but should label each sowing to keep results straight. If local conditions are challenging, prioritize clear instructions and a manageable first planting over buying the largest pack.
Spend More Only for a Useful Difference
Paying for a larger bag makes sense when regular sprouting or microgreen harvests will use the extra seed; otherwise, a smaller pack limits storage and waste. A variety collection earns its place when you genuinely want to compare options, not when you already know which broccoli you intend to plant. Organic or heirloom claims may be worth seeking for personal or sourcing preferences, but they do not replace checking the intended use and variety. First-time growers often benefit more from a clear, modest pack than from a high-volume purchase. Before choosing, compare the amount of seed with the number of growing sessions you expect and confirm that the package suits your harvest goal. The useful upgrade is the one that solves a real need in your garden or kitchen routine.
Frequently Asked Questions
Can I use garden broccoli seeds to grow sprouts for eating?
Do not assume garden seed is suitable for eating as sprouts just because it germinates. Sprouting means consuming the seed and very young plant, so look for a product explicitly marketed for sprouting or microgreens and follow its handling directions. Garden packets may be intended for outdoor planting rather than food-sprout use. If your main goal is kitchen sprouts, choose a clearly labeled sprouting option from this roundup instead of repurposing a garden pack. Keep the two uses separate unless the package specifically supports both.
Should I choose Waltham 29 or a broccoli seed collection?
Choose Waltham 29 if you want one named variety and prefer to compare pack sizes without adding variety decisions. A collection is a better fit when you want to try multiple types and are comfortable tracking each planting separately. The tradeoff is that a collection divides its contents among varieties, which can limit repeat sowing of any one type. If you are new to growing broccoli, a single variety can make it easier to connect your growing notes to one seed choice. Pick the collection when experimentation is the goal, not simply because it contains more variety names.
Is a one-pound bag of broccoli seeds a sensible first purchase?
It can be sensible for someone who plans frequent sprouting or microgreen batches and has a cool, dry place to store the seed. For a first attempt or occasional use, a smaller pack reduces the chance of keeping unused seed for longer than intended. Think about how often you will harvest, not only how much seed the package contains. A bulk bag also takes more storage space and may be inconvenient if you are still deciding which growing routine suits you. Start smaller unless you already know your regular consumption.
Do organic, heirloom, and non-GMO mean the seeds will grow better?
Those labels describe different sourcing or variety attributes; they do not promise stronger germination or a larger harvest. Organic relates to production standards, heirloom identifies a type of variety history, and non-GMO addresses genetic modification claims. For practical results, also check whether the seeds suit your intended use, whether the variety is clearly identified, and whether the planting directions fit your conditions. If a particular label matters to you, verify that exact claim on the package. Do not use one label as a substitute for matching seeds to your growing plan.
What should I buy if I want both garden broccoli and indoor sprouts?
For the clearest fit, choose a garden packet for mature plants and a separate product specifically labeled for sprouts or microgreens. The roundup includes garden-oriented Waltham 29 and Calabrese choices as well as sprouting-focused options, so you can select for each harvest instead of relying on one pack. This approach makes package directions easier to follow and avoids confusing seed intended for planting with seed intended for eating as sprouts. If you only want to try one activity first, buy for that goal and add the second type once you know you will use it. Store and label the packs separately.
Conclusion
For most gardeners seeking one straightforward choice, I’d start with Sow Right Seeds Waltham 29 as the best overall pick because it offers a clearly named garden variety. For a best-value direction, choose a modest single-variety Waltham 29 pack that matches the amount you will plant rather than paying for unused seed. The best premium-style choice for frequent indoor harvests is Organo Republic’s 1-pound sprouting and microgreens bag, while NOW Foods Broccoli Seeds are a more approachable option for buyers who want a smaller sprouting supply. Beginners are likely to prefer a clearly labeled single-variety packet; gardeners who want to experiment should look at the five-variety collection or Green Sprouting Calabrese. For specific needs, select a dedicated sprouting product for kitchen harvests and a garden-labeled variety for mature broccoli plants.
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