Cauliflower
Brassica oleracea var. botrytis
Also known as: Cauliflower
Cool-season brassica that forms a dense white head. More finicky than broccoli—needs consistent temps and moisture.
Growing Requirements
Planting Schedule
Start Indoors
6–8 weeks before last frost
Transplant Outdoors
-3–9 weeks after last frost
Germination
5–10 days
Days to Harvest
55–80 days
Zone Suitability
USDA Hardiness Zones
Zones 2–11
Blanch heads by tying leaves over the curd. Sensitive to temperature swings.
Companion Plants
Good Companions (7)
Nasturtium
Tropaeolum majus
Trap crop for aphids and cabbage pests
Confidence: High
Onion
Allium cepa
Onion scent deters cabbage pests from cauliflower
Confidence: Medium
Garlic
Allium sativum
Deters cabbage worms and aphids
Confidence: Medium
Thyme
Thymus vulgaris
Aromatic scent deters cabbage moths
Confidence: Medium
Celery
Apium graveolens
Strong scent masks cauliflower from cabbage pests
Confidence: Medium
Beet
Beta vulgaris
Compatible root zones; no competition
Confidence: Medium
Spinach
Spinacia oleracea
Low ground cover conserves moisture for cauliflower
Confidence: Medium