Delaverde Cauliflower is a compact F1 hybrid bred for short-day growing seasons, delivering full heads in just 83 days. This Romanesco-type variety thrives in spring and fall crops across hardiness zones 3, 10, making it adaptable to most North American gardens. Its tight, floret-studded heads are built for reliable production when temperatures stay cool, and the plant's manageable size fits nicely into focused vegetable beds.
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Moderate
3-10
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High
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Romanesco cauliflower has a distinctive fractal appearance and mild, sweet flavor compared to standard white varieties. Delaverde's compact growth habit and short maturity window (83 days) make it especially suited to succession planting in spring and fall, when cauliflower performs best. The variety holds well in storage at near-freezing temperatures for up to three weeks, extending your harvest window considerably.
Delaverde produces edible heads ideal for fresh eating, steaming, roasting, or incorporating into vegetable-forward dishes. The Romanesco type's mild, slightly nutty flavor and tender texture make it appealing both raw in salads and cooked as a vegetable side. Its visual appeal also works well for presentation-focused meals and market sales.
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Sow seeds in 72-cell plug flats 4, 6 weeks before transplanting outdoors. Keep soil at least 70°F (21°C) until germination, then reduce to 60°F (16°C) to encourage sturdy seedlings. Transplant outdoors when seedlings are no older than 4, 5 weeks; older plants experience transplant stress and reduced performance.
Transplant when seedlings are actively growing and no older than 4, 5 weeks. Harden plants gradually by increasing cold exposure before moving outside. Space 18 inches apart, with rows 24, 36 inches wide. Time spring planting for cool conditions (target 50, 70°F average temperatures); for fall crops, sow in mid-to-late summer so heads mature as temperatures drop.
Harvest heads when they reach full size and before individual florets begin to separate or yellow. Cut the main head with 1, 2 inches of stem attached using a sharp knife. Delaverde matures in 83 days from transplanting, so monitor plants regularly once they enter their final weeks. Harvest in the morning when heads are crisp and cool.
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