seeds Cauliflower autumn giant - Brassica oleracea L. var. botrytis L.

Cauliflower Autumn Giant – Brassica oleracea

Introduction

The Autumn Giant cauliflower is a robust, late-season variety prized for its very large, dense, pure-white heads. Ideal for September–November harvests, it tolerates early frost and offers a fine texture and mild flavor that works well raw or cooked.

Origins and botanical family

• Origin: Mediterranean origins; later selected for late cropping in northern Europe.

• Family: Brassicaceae.
  Selected for size and cold tolerance; a favorite in European vegetable gardens for late-season production.

Description and features

• Height: 50–70 cm

• Heads: very large, compact, white

• Foliage: broad, blue-green, protective

• Texture: firm, fine

• Taste: mild, slightly sweet

Sowing and growing conditions

• Sow: April–June (indoors or in seedbeds)

• Transplant: 5–6 weeks after germination

• Sowing depth: ~1 cm

• Soil: rich, deep, moist but well-drained

• Exposure: full sun

• Spacing: 50–70 cm between plants

• Watering: regular, even moisture

Care

• Weed and mulch to conserve moisture

• Protect from slugs, aphids and caterpillars (nets or organic controls)

• Light earthing or support for stability if needed

Harvest

• Period: September–November

• Harvest sign: head firm and fully formed

• Yield: 3–5 kg/m² under good conditions

• Post-harvest: process quickly or store briefly under cool conditions

Garden use

• Position as a late-season bed crop

• Good companions: leeks, lettuce, late brassicas

• Practice crop rotation to avoid soilborne problems

Culinary uses

• Serve raw as florets, steamed, roasted or in gratins

• Keeps shape well when cooked; impressive whole presentations

Practical tips

• Avoid water stress to prevent loose heads — keep moisture even.

• Blanching: fold leaves over head to protect whiteness and texture.

• Harvest before heavy frosts or protect with fleece.

The Autumn Giant is a top pick for gardeners seeking large, late-season heads. Robust, productive and culinary-friendly — perfect for autumn harvests.