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Brussels Sprouts — Brassica oleracea var. gemmifera

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Brussels Sprouts — Brassica oleracea var. gemmifera

layout: base.njk title: Brussels Sprouts description: Growing Brussels Sprouts in West Virginia (Zone 6b/7a) category: cool-season

Quick Reference: See detailed growing information below
Brussels sprouts growing along tall stalk

Type: Biennial (grown as annual)
Family: Brassicaceae (Cruciferae)
Sun: Full sun (6+ hours, essential for sprout development)
Water: High (1.5-2" per week, consistent moisture critical)
Soil pH: 6.0-7.5 (optimal 6.5-7.0)
Hardiness: Zones 3-10 (very cold hardy, flavor improves with frost)

🌱 Expected Yield

  • Per plant: 1-3 lbs of sprouts over 6-8 week harvest period. Sprouts mature from bottom to top.
  • Per 10' row: 15-40 lbs (fewer plants, high yield per plant).
  • Per season: Single fall/winter harvest: 20-50 lbs per 10' row.

🏺 Heirloom Varieties (5-10+)

'Long Island Improved'

  • Source: Seed Savers Exchange, Baker Creek Heirloom Seeds (rareseeds.com), Johnny's Selected Seeds (johnnyseeds.com)
  • Days: 115 days
  • Notes: Classic American heirloom from 1930s. Medium-sized sprouts (1-1.5"), uniform. Reliable producer. Good flavor, sweetens with frost. Standard for home gardens for generations. Green sprouts.

'Diablo'

  • Source: Johnny's Selected Seeds, Baker Creek
  • Days: 110 days
  • Notes: Hybrid, F1. Large, firm sprouts. Uniform maturity. Excellent cold tolerance. High yield. Holds well in field. Popular with market growers. Dark green sprouts.

'Red Rubine'

  • Source: Seed Savers Exchange, Baker Creek, Southern Exposure Seed Exchange (southernexposure.com)
  • Days: 130 days
  • Notes: Heirloom red Brussels sprouts. Purple-red sprouts (turn green when cooked). Smaller sprouts but exceptional flavor—nutty, sweet. Cold hardy. Beautiful ornamental value. Slower maturing but worth it.

'Jade Cross'

  • Source: Johnny's Selected Seeds, High Mowing Organic Seeds (highmowingseeds.com)
  • Days: 105 days
  • Notes: Hybrid, F1. Early, compact plants. Large, firm sprouts. Cold tolerant. Disease resistant. Good for shorter seasons. Uniform maturity. Mild, sweet flavor.

'Falstaff'

  • Source: Baker Creek, Johnny's Selected Seeds, Seed Savers Exchange
  • Days: 140 days
  • Notes: Heirloom red variety. Deep purple-red sprouts. Exceptionally cold hardy—can overwinter in zone 6+. Sweetens dramatically after frost. Nutty, complex flavor. Slower but superior quality.

'Churchill'

  • Source: Johnny's Selected Seeds, Burpee (burpee.com)
  • Days: 90 days
  • Notes: Hybrid, F1. Very early. Compact plants, good for small gardens. Uniform sprouts. Cold tolerant. Good for northern regions with short seasons. Mild flavor.

'Rubine'

  • Source: Seed Savers Exchange, Baker Creek
  • Days: 135 days
  • Notes: Traditional red heirloom. Purple sprouts. Excellent cold tolerance. Sweet, nutty flavor. Beautiful in garden. Slower but high quality. Pairs well with green varieties.

'Gustus'

  • Source: Johnny's Selected Seeds, High Mowing Organic Seeds
  • Days: 110 days
  • Notes: Hybrid, F1. Large, high-quality sprouts. Excellent cold tolerance. Uniform maturity. Holds well in field. Good for late fall harvest. Sweet flavor after frost.

'Balmoral'

  • Source: Johnny's Selected Seeds, Baker Creek
  • Days: 100 days
  • Notes: Hybrid, F1. Mid-early. Firm, well-shaped sprouts. High yield. Cold tolerant. Uniform maturity. Good for fresh market. Reliable producer.

'Seven Hills'

  • Source: Seed Savers Exchange, Baker Creek
  • Days: 125 days
  • Notes: Heirloom. Green sprouts, excellent flavor. Cold hardy. Traditional variety. Good for fall harvest and storage. Sweet, nutty taste. Reliable open-pollinated choice.

🌾 Seed Saving

  • Method: Brussels sprouts are biennial—require vernalization (cold period) to flower. For seed saving, select best plants, leave in ground over winter (mulch heavily in zone 6b—Brussels sprouts are among most cold-hardy brassicas, can survive 15-20°F). Some gardeners cut sprouts off before winter to reduce wind damage, leaving plant to flower in spring.

In spring, plants send up 5-7' flower stalks from top and leaf axils. Yellow, four-petaled flowers bloom over 4-5 weeks. Heavy insect pollination (bees, flies).

Seed pods (siliques) mature 4-6 weeks after flowering, turning from green to tan/brown. Cut stalks when most pods brown but before shattering. Hang in paper bags or on tarps in dry, ventilated area 2-3 weeks.

Thresh by beating bags or rolling stalks. Winnow by pouring between bowls in breeze to separate seeds from chaff. - Isolation distance: 2 miles minimum (up to 5 miles for pure seed). Brussels sprouts cross-pollinate readily with all Brassica oleracea varieties (cabbage, broccoli, cauliflower, kale, collards, kohlrabi—all same species).

For pure seed, grow only one B. oleracea variety or cage isolated plants with netting and hand-pollinate. - Viability: 4-5 years when stored in cool, dry, dark conditions in airtight containers. Medium-sized seeds store well. - Special notes: Save seed from minimum 5-10 plants to maintain genetic diversity.

Select for sprout quality, uniformity, cold hardiness, flavor, bolt resistance. Brussels sprouts are among easiest brassicas to save seed from in zone 6b/7a—exceptional cold hardiness means plants reliably overwinter with minimal protection. Biennial requirement means seed saving requires two full seasons, but overwintering is straightforward.

Cut sprouts before winter if they might rot or attract pests, but leaving some provides food during winter garden. Plants will flower profusely in spring, attracting many pollinators..

Added to WV Planting Guide 26155 — The Loop Farmstead