How to grow cauliflower in a raised bed
Fall crops are easier than spring ones. Tie leaves over the head to keep it white.
Spacing1 plant per square foot
How to startStart seeds indoors 6 weeks before your last frost, or buy young plants
When to plantAbout 2 weeks before your last spring frost
Time to harvestAbout 65 days
Grows toAbout 20 in tall
When to plant cauliflower in your zone
Dates are based on the average frost dates for each zone. Don't know your zone? Enter your ZIP code in the planner.
| Zone | Start seeds indoors | Plant in the bed | Plant again for fall |
|---|---|---|---|
| Zone 3a | Apr 8 | May 6 | — |
| Zone 3b | Apr 3 | May 1 | — |
| Zone 4a | Mar 31 | Apr 28 | Jul 4 |
| Zone 4b | Mar 27 | Apr 24 | Jul 11 |
| Zone 5a | Mar 23 | Apr 20 | Jul 16 |
| Zone 5b | Mar 17 | Apr 14 | Jul 23 |
| Zone 6a | Mar 11 | Apr 8 | Jul 28 |
| Zone 6b | Mar 4 | Apr 1 | Aug 2 |
| Zone 7a | Feb 25 | Mar 25 | Aug 9 |
| Zone 7b | Feb 18 | Mar 18 | Aug 16 |
| Zone 8a | Feb 11 | Mar 11 | Aug 23 |
| Zone 8b | Feb 1 | Mar 1 | Aug 31 |
| Zone 9a | Jan 18 | Feb 15 | Sep 13 |
| Zone 9b | Jan 4 | Feb 1 | Sep 22 |
| Zone 10a | Dec 20 | Jan 17 | Oct 2 |
| Zone 10b | Dec 4 | Jan 1 | Oct 13 |
Tips for raised beds
- In square-foot gardening, plant one plant in each 1 × 1 ft square.
- It stays fairly short, so it can go near the south (sunny) edge of the bed.
- Most vegetables and fruit need at least 6 hours of direct sun a day.
Where to buy cauliflower seeds
Burpee · True Leaf Market · Botanical Interests
Plan where your cauliflower go. Pick your bed size and material, choose your plants, and get a printable plan with measurements, a shopping list and planting dates for your ZIP code. Free, no sign-up.
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