Purple Sprouting Broccoli

📖 About This Plant

Purple Sprouting Broccoli is the king of the British winter vegetable garden — a slow-maturing brassica that transforms from an unremarkable seedling planted in summer into a productive, beautiful plant that delivers its harvest in February and March, the "hungry gap" before spring vegetables arrive. The tender purple florets, harvested as loose, open flower clusters rather than a tight central head, have a sweeter, more nuanced flavor than standard heading broccoli — closer to broccolini or Romanesco in refinement. Each plant produces weeks of harvests as it sends out successive lateral shoots after the primary florets are cut. Purple Sprouting Broccoli is genuinely frost-hardy, standing undamaged through temperatures below 14°F (-10°C), and the flavor actually improves after exposure to cold, following the same starch-to-sugar conversion that benefits kale and Brussels sprouts.

📊 Quick Facts

📅 When to Plant in Your Area

🌱 Care Tips

Sow Purple Sprouting Broccoli seeds in modules or trays in May or June (UK timing; adjust for your last frost equivalent), pricking out into individual 3-inch pots once large enough to handle. Transplant to final positions in July or August into well-prepared, firm, fertile soil — brassicas in loose soil topple over and produce less. Space plants 24 inches apart in each direction; Purple Sprouting Broccoli grows large over the long season and needs the space. Firm the soil strongly around the stem after transplanting and consider staking early — plants become top-heavy by autumn. Protect from pigeons from day one using fine mesh or horticultural fleece (in the UK, wood pigeons will demolish an entire planting in an afternoon). The cabbage white butterfly caterpillar is the other major pest; check the undersides of leaves weekly and crush any clusters of pale-yellow eggs immediately; apply Bt spray at first sign of caterpillars. Water in dry spells through autumn; plants need consistent moisture for strong development. Do not feed with high-nitrogen fertilizer after September — soft late growth is vulnerable to frost damage and club root. Begin harvesting in February when the main central head is still tight and before individual flowers open; cut with 4–6 inches of stem. Harvest every 5–7 days thereafter as side shoots develop — a single well-grown plant provides 6–8 weeks of near-daily harvests.

🤝 Companion Plants

These plants grow well alongside Purple Sprouting Broccoli:

🌿 Related Vegetable

More vegetable that grow in similar conditions:

❓ Frequently Asked Questions