Best Broccoli Seeds for Planting: Top Picks for a Rich Harvest

Discover reliable broccoli seeds ideal for home gardens, fall plantings, and varied climate regions. This guide highlights five trustworthy options that are non-GMO, heirloom, or open-pollinated, with notes on germination, growth, and storage. Each seed pack aims to deliver sturdy heads, prolific side shoots, and robust flavor for raw, roasted, and cooked dishes.

Product Variety Notes Germination & Growth
Purely Organic Broccoli Seeds (Waltham 29) Organic, non-GMO, open-pollinated Standard Waltham 29 performance; 750 seeds
Waltham 29 Broccoli Seeds – 500 Seed Non-GMO Non-GMO, reliable heirloom USDA zones 3-10 friendly; 74 days to maturity
Survival Garden Seeds Broccoli Seeds Collection Three varieties: Waltham 29, Romanesco, Calabrese Cold-tolerant; fall to early winter harvests
Sow Right Seeds – Waltham 29 Broccoli Seeds Non-GMO heirloom; single packet 7-14 day germination; 50-60 day heads
250 Broccoli Seeds for Planting – Waltham 29 Non-GMO USA grown; batch of seeds Versatile growing; suitable for outdoor beds and containers

Note: All products listed are suitable for home gardeners seeking flavorful broccoli with dependable yields. Availability and exact counts may vary by season. This guide emphasizes seed quality, germination potential, and adaptability to different growing conditions.

Purely Organic Broccoli Seeds (Waltham 29)


Purely Organic Broccoli Seeds (Waltham 29) package image

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Purely Organic Seeds offer a Waltham 29 broccoli line that is non-GMO, USDA Organic, and open-pollinated. The seeds yield dark greenish-blue florets with flavorful leaves and stems. They are well-suited for cooks who value crisp textures and robust nutrition. For best results, harvest in the morning when the head buds are firm and tight, and plan to store or blanch: refrigeration up to five days, or freezing for up to a year after blanching. Freshly packed, these seeds aim for strong germination in the current season and reliable germination in subsequent years.

Waltham 29 Broccoli Seeds – 500 Seed Non-GMO


Waltham 29 Broccoli Seeds – 500 Seeds image

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This pack from The Seed Plant provides 500 Waltham 29 non-GMO seeds, packaged for envelope delivery. Waltham 29 is a long-standing favorite for home gardeners, producing dense crowns with good side-shoot potential. Typical maturity runs around 74 days, with strong adaptability to cool seasons. The product favors gardeners seeking a compact, reliable crop suitable for fall or early winter harvesting in appropriate zones. Maintain good spacing and consistent moisture for best results.

Survival Garden Seeds Broccoli Seeds Collection


Survival Garden Seeds Broccoli Seeds Collection image

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This three-pack collection from Survival Garden Seeds includes Waltham 29, Romanesco, and Green Sprouting Calabrese (Calabrese). Waltham 29 yields large, dense central heads with multiple side shoots, extending harvests. Romanesco offers a distinctive, fractal-like head shape and a milder flavor. Green Sprouting Calabrese provides traditional Italian broccoli with abundant side shoots. The varieties are described as non-GMO and heirloom, with cold-tolerance enabling fall to early winter gardening in suitable climates. This assortment supports a diversified garden resilience and extended harvest windows.

Sow Right Seeds – Waltham 29 Broccoli Seeds


Sow Right Seeds Waltham 29 Broccoli Seeds image

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Sow Right Seeds markets a premium Waltham 29 broccoli packet with detailed growing instructions. The variety is described as reliable and adaptable to drought and cold, with germination typically taking 7-14 days at optimal soil temperatures (70-75°F). Heads generally form in 50-60 days, reaching 5-6 inches with ample side shoots. This seed packet is well-suited for gardeners seeking a straightforward, dependable crop that yields abundant greens in a relatively short season, especially in zones 3-10. It is ideal for both beginners and experienced growers who value clear cultivation guidance.

250 Broccoli Seeds for Planting – Waltham 29


250 Broccoli Seeds for Planting image

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RDR Seeds offers a bulk option with 250 Waltham 29 broccoli seeds. The Waltham 29 variety is a classic blue-green broccoli known for dense crowns and sturdy growth. The seeds are non-GMO and USA-grown, suitable for outdoor beds, raised beds, or larger container plantings. The variety supports versatile harvest schedules and can pair with herbs, beets, or celery for companion planting. This option may suit gardeners planning a broader winter-to-spring planting plan or those seeking more seed quantity for extended experimentation and crop rotation.

Buying Guide

Key purchase considerations help gardeners choose broccoli seeds that match their climate, space, and cooking needs. Consider the following perspectives:

  • Variety and flavor: Waltham 29 is a classic, reliable choice with dense heads. Romanesco offers a unique appearance and a milder flavor, while Calabrese provides traditional Italian-style florets.
  • GMO status and seed heritage: Non-GMO, heirloom, and open-pollinated seeds tend to offer easier seed saving and long-term adaptability, though performance can vary by season.
  • Cold tolerance and season: Cold-hardy varieties perform better in fall and early winter gardens. If you have short summers, select a faster-maturing option.
  • Seed quantity and packaging: Larger packets support more extensive plantings or multiple seasons. Starter packets are suitable for first-time gardeners.
  • Germination expectations: Look for germination rates and recommended planting depths. Waltham 29 typically germinates well in warm-to-moderate soil temperatures.
  • Space and spacing: Plan for 12-24 inches between plants, depending on the variety. Crowns and side shoots require room to expand.
  • Storage and post-harvest: Some seeds are optimized for fresh use, while others are intended for seed-saving in future seasons. Proper storage improves viability.
  • Growing conditions: Choose varieties that tolerate your local conditions—cool seasons, containers, or raised beds can all work with the right selection.