A cool-season brassica grown for its tight flower heads. Best in spring or fall, never summer heat.
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Full sun
Zones 3–11
18 in apart, rows 24 in apart.
Rich, firm, well-draining soil high in nitrogen; pH 6.0–7.0. Amend with compost before planting.
Steady 1–1.5 in/week. Even moisture keeps heads tight; drought triggers early bolting.
Mar – Apr
May – Jun
Start seed indoors 6–8 weeks before last frost and transplant, or direct sow in late summer for a fall crop. Cut the central head before the buds open; many types throw smaller side shoots for weeks after.
Good with Beet, Onion, Spinach, Dill, Marigold. Keep apart from Tomato, Pepper, Strawberry, Bush bean.