Broccoli (Brassica oleracea var. italica) Datasheet
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Common Name: Broccoli
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Scientific Name: Brassica oleracea var. italica
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Family: Brassicaceae
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Origin: Domesticated in Italy over 2,000 years ago; descended from wild cabbage in Atlantic coastal Europe
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Zone Hardiness: USDA Zones 3–9; frost-tolerant cool-season annual or biennial
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Light Requirements: Full sun; grows best at 65–75 °F; high light for tight heads
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Water Needs: Moderate to high; maintain even moisture, about 0.8 cups every 9 days in moderate pot conditions
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Soil Preferences: Fertile, well-drained loam; pH 6.0–7.5
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"Ponics" Compatibility:
• Aquaponics: Compatible
• Aeroponics: Compatible
• Hydroponics: Compatible – media beds or containers preferred
• Preferred Method: DWC/NFT systems for side shoot production -
Growth Habit: Upright, branching annual/biennial forming a central head, then side shoots
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Height & Spread: 2–3 ft tall; 18–24 in spread
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Time from Germination to Harvest: 50–90 days for main head; side shoots continue for weeks
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Flowering Time: Head forms before maturity; if delayed, florets open yellow; then seeds form July–September
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Edible Parts: Compact flower buds (head), side shoots, leaves, and stalks
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Medicinal Uses: High in vitamin C, K, sulforaphane, glucosinolates—linked to anti-inflammatory and anticancer benefits
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Companion Plants: Strawberries, herbs; attracts pollinators post-bloom
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Pest & Disease Resistance: Susceptible to cabbage looper, aphids, clubroot, black rot, downy mildew, fungal diseases; use crop rotation and drainage
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Harvest Time: Cut main head before buds loosen; then harvest side shoots over 2–4 weeks
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Propagation Methods: Start indoors or direct sow ¼–½″ deep; transplant 12–24″ apart; germination in 5–10 days
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Sustainability Features: Dual harvest (main head + side shoots); fits crop rotations; seeds from pods; nutritious biomass leftovers
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Culinary Uses: Broccoli florets steamed, roasted, raw in salads; leaves/stalks sautéed; side shoots stir-fried
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Fun Fact: The word “broccoli” derives from Italian broccolo meaning “cabbage sprout”
Calabrese
Flavor Profile: Classic, slightly peppery and earthy.
Culinary Uses: Steamed, sautéed, roasted, or used in stir-fries and soups.
Notes: Heirloom variety from Italy; produces large central head with numerous side shoots.
Planting Tip: Sow in early spring or late summer for fall harvest.
Days to Maturity: 60–90 days
Green Magic
Flavor Profile: Mild and slightly sweet.
Culinary Uses: Fresh or cooked; excellent for freezing.
Notes: Heat-tolerant hybrid; uniform dome-shaped heads; ideal for warmer climates.
Planting Tip: Best for spring planting; keep evenly watered.
Days to Maturity: 57–65 days
Waltham 29
Flavor Profile: Rich and robust.
Culinary Uses: Steamed, stir-fried, and great for home freezing.
Notes: Cold-hardy heirloom; compact plants with excellent side-shoot production.
Planting Tip: Ideal for fall planting; handles frost well.
Days to Maturity: 74–85 days
De Cicco
Flavor Profile: Tender with mild bitterness.
Culinary Uses: Baby heads and florets for sautéing, pasta, and salads.
Notes: Italian heirloom; smaller central head with abundant side shoots over time.
Planting Tip: Succession sow every 2–3 weeks for continuous harvest.
Days to Maturity: 48–65 days
Belstar
Flavor Profile: Mild and nutty.
Culinary Uses: Great fresh or steamed; freezes well.
Notes: Organic hybrid; compact, well-domed heads with reliable performance.
Planting Tip: Works well in spring and fall; tolerates moderate heat.
Days to Maturity: 65–70 days
Fiesta
Flavor Profile: Sweet with dense texture.
Culinary Uses: Uniform florets ideal for market bunching and processing.
Notes: Firm heads resist purpling and hold well in the field.
Planting Tip: Best for late summer planting.
Days to Maturity: 70–80 days
Packman
Flavor Profile: Tender and sweet.
Culinary Uses: Quick steamer or stir-fry choice.
Notes: Early-maturing hybrid; great for rapid harvest cycles.
Planting Tip: Best for spring planting; avoid heat stress.
Days to Maturity: 50–55 days
Sprouting Broccoli (Purple Sprouting)
Flavor Profile: Stronger and earthier than standard broccoli.
Culinary Uses: Roasted, sautéed, or eaten raw.
Notes: Multiple small purple heads; extremely cold hardy.
Planting Tip: Plant midsummer for overwintering and spring harvest.
Days to Maturity: 120–150 days
🥦 Broccoli Cultivar Comparison Table
| Variety | Type | Habit | Head Size | Best Use | Days to Maturity |
|---|---|---|---|---|---|
| Calabrese | Heirloom | Central + side | Large central | General cooking | 60–90 |
| Green Magic | Hybrid | Compact uniform | Dome-shaped | Fresh & freezing | 57–65 |
| Waltham 29 | Heirloom | Cold-hardy bush | Medium-large | Fall/winter harvest | 74–85 |
| De Cicco | Heirloom | Bushy | Small central | Continuous shoots | 48–65 |
| Belstar | Hybrid (organic) | Compact | Dense domes | Fresh & freezing | 65–70 |
| Fiesta | Hybrid | Upright | Uniform firm | Market/bulk | 70–80 |
| Packman | Hybrid | Fast-growing | Medium domes | Quick harvests | 50–55 |
| Sprouting (Purple) | Specialty | Multi-stalked | Many small heads | Spring harvest | 120–150 |
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