How to grow cauliflower
Brassica oleracea var. botrytis
Get your exact dates
The windows below are relative to your frost dates. Enter your ZIP for the calendar dates.
Open the planting calendarWhen to plant cauliflower
Start seeds indoors9 weeks before your last spring frost to 7 weeks before your last spring frost
Transplant outdoors2 weeks before your last spring frost to 1 week before your last spring frost
Direct sow2 weeks before your last spring frost to 1 week before your last spring frost
Fall planting10 weeks before your first fall frost to 5 weeks before your first fall frost
Growing conditions
- Spacing
- 12 to 18 in apart, rows 24 in
- Planting depth
- 0.25 in
- Sun
- Full sun
- Water
- 1 in per week
Common problems
- aphids
- cabbage worms
- cabbage loopers
- flea beetles
- alternaria leaf spot
- boron deficiency
- molybdenum deficiency
- buttoning
Cauliflower by hardiness zone
Planting dates for a typical location in each zone:
Sources
Last updated 2026-06-11.