How to Grow Other Brassia Species

Other Brassia Species

Brassia spp. (excluding B. oleracea)

vegetable

Brassia species are a diverse group of cruciferous plants in the cabbage family, including species like Chinese broccoli (B. alboglabra), Portuguese cabbage (B. oleracea var. costata), and various Asian greens. These cool-season crops offer unique flavors and textures, ranging from tender flowering shoots to leafy greens, and are staples in Asian and Mediterranean cuisines.

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Example Other Brassia Species timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Other Brassia Species

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Other Brassia Species

    Around Jun 6

    ≈ 50 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Other Brassia Species dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, 6-8 hours daily; tolerates partial shade in hot climates
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Water: Consistent moisture; keep soil evenly moist but not waterlogged. Water 1-1.5 inches per week. Reduce watering frequency in fall to encourage better flavor in some species.
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Spacing: 12-18 inches between plants, depending on species and mature size inches
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Days to maturity: 50-90 days depending on species and growing conditions
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Planting depth: Seeds: 0.25-0.5 inches deep; transplants: soil line level

Soil

Type: Well-draining, fertile loamy soil rich in organic matter
pH: 6.0-7.5
Amendments:
Compost aged manure balanced NPK fertilizer lime (if pH below 6.0)

Growing Zones

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Most Brassia species thrive in zones 4-9; some tolerate zones 3-10 depending on species and season

3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a

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Growth Stages

1

Seedling

2-3 weeks

Cotyledons emerge, followed by first true leaves with characteristic Brassica shape. Plants are tender and vulnerable.

Keep soil moist and provide bright light. Thin seedlings to proper spacing once they have 2-3 true leaves. Protect from pests with row covers if needed.

2

Vegetative Growth

3-5 weeks

Leaves expand and plant develops its characteristic foliage and stem structure. Root system strengthens.

Maintain consistent moisture and adequate fertility. Provide regular nitrogen fertilization. Remove diseased or yellowing leaves. Monitor for pest damage.

3

Pre-Flowering/Bud Development

2-3 weeks

Flower buds begin to form at the apex or along the stem, depending on species. Plant reaches near-mature size.

Continue regular watering and fertilization, slightly reducing nitrogen to encourage flowering. Maintain plant health and harvest outer leaves if desired.

4

Flowering & Harvest

2-4 weeks (can extend with proper harvesting)

Buds elongate and flowers begin to open, or shoots become tender and elongated. Peak harvest period for most species.

Harvest shoots and buds at the peak stage before flowers fully open. Leave some stem to encourage secondary shoot formation. Continue harvesting for extended production.

5

Seed Production (if retained)

3-6 weeks

Flowers fully open and transition to seed pod development. Plant may decline in quality.

Allow select plants to fully flower and set seed if saving seed. Reduce watering slightly. Mark best plants for future seed saving.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Fennel mustard radish strawberry tomato other brassicas (in succession)

Common Pests

  • Use row covers on young plants, Bacillus thuringiensis (Bt), hand-picking, neem oil

  • Bt spray, spinosad, parasitic wasps, neem oil

  • Row covers, kaolin clay spray, neem oil, diatomaceous earth

  • Strong water spray, insecticidal soap, neem oil, beneficial insects

  • Crop rotation (3-4 year cycle), liming to raise pH, resistant varieties, avoid infected soil

  • Improve air circulation, sulfur dust, potassium bicarbonate, neem oil

Uses

🍳

Stir-fry & Fresh Cooking

Culinary

Tender shoots, buds, and leaves are staples in Asian cuisine, particularly Chinese. They can be stir-fried, steamed, or eaten raw in salads, offering mild to slightly bitter flavors. [source]

🍳

Nutritious Greens

Culinary

Brassia species are rich in vitamins A, C, K, and minerals including calcium and iron. They are excellent additions to soups, curries, and side dishes across many cuisines. [source]

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Glucosinolate Compounds

Medicinal

Like other brassicas, these plants contain glucosinolates that break down into sulforaphane and other compounds with potential anti-inflammatory and cancer-protective properties in traditional and modern herbalism. [source]

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Natural Pest Management

Household

Brassicas are used as trap crops and companion plants in integrated pest management to attract pests away from other garden plants, supporting ecological gardening practices. [source]

🎨

Seed Saving & Heritage Varieties

Craft

Many heirloom Brassia species are excellent for home seed saving due to their reliable cross-pollination and open-pollinated genetics, supporting plant biodiversity and food sovereignty. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Harvest when buds and shoots are still tender, before flowers fully open (typically early morning when turgor is high). Cut main shoots first to encourage branching and extended harvest; side shoots will develop for continued production. Most species can be harvested over 3-8 weeks with successive picking. For storage, harvest in cool weather and refrigerate promptly.

Fun Facts

  • 🌱 Chinese broccoli (B. alboglabra) has been cultivated for over 2,000 years in Asia and is called 'gai lan' in Cantonese, meaning 'mustard orchid vegetable' due to its delicate white flowers.
  • 🌱 Many Brassia species can tolerate light frosts and even improve in flavor after exposure to cold, making them ideal for fall and spring gardens.
  • 🌱 Unlike common broccoli, many Brassia species produce abundant secondary shoots after the main harvest, providing continuous production over 2-3 months with proper management.

Gardening Terms

New to gardening? Learn about terms used in this guide:

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