Set cauliflower seedlings within the backyard about two or three weeks earlier than the common final frost date, not earlier. Sow cauliflower seeds indoors 4 to six weeks earlier than setting seedlings within the backyard. Cauliflower grows finest at 57° to 68°F (14°-20°C).
Time cauliflower planting in order that crops don’t mature in sizzling, head-stunting summer season climate. If summers are sizzling in your space, you could wish to develop cauliflower in autumn. Set cauliflower seedling out in June or July for September to November harvest.
Transplant cauliflower seedlings into the backyard when they’re 6 to 7 inches (15-18cm) tall. Make sure to agency the soil nicely over seedling roots. Water seedlings day by day for a number of days after shifting them and defend them from direct solar till they’re well-rooted.
For the very best heads, cauliflower ought to develop quickly. Plant in humus-rich soil and maintain the soil evenly moist; don’t let it go dry. When the pinnacle develops, break off a backside leaf and set it over the curd (the creating head) to maintain out the sunshine.

Cauliflower seedling planting dates for spring and summer season harvest
(These dates are for the Northern Hemisphere)
Common date of the final frost | Planting dates |
Jan. 30 | Jan.1-Feb. 1 |
Feb. 8 | Jan.1-Feb. 1 |
Feb. 18 | Jan.10-Feb. 10 |
Feb. 28 | Jan.20-Feb. 20 |
Mar. 10 | Feb. 1-Mar. 1 |
Mar. 20 | Feb. 10-Mar. 10 |
Mar. 30 | Feb. 20-Mar. 20 |
Apr. 10 | Mar. 1-Mar. 20 |
Apr. 20 | Mar. 15-Apr. 20 |
Apr. 30 | Apr. 10-Could 10 |
Could 10 | Apr. 15-Could 15 |
Could 20 | Could 10-June 15 |
Could 30 | Could 20-June 1 |
June 10 | June 1-June 15 |

Cauliflower planting particulars
- Sowing depth: ¼ inch (6mm)
- Area between plant after thinning: 20-24 inches (50-61cm)
- Days to sprout: 8
- Days to reap: 50-85
- Storage interval: 2-3 weeks
- Seeds per 100 row toes: 1 packet
- Yield per 100 row toes: 60 heads
- Early to reap varieties (50-60 days): Further Early Snowball, Tremendous Snowball
- Late to reap varieties (80-110 days): Snowball Y, Snowball No. 84, Perfected Snowball, Snowball 57, Boomerang
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The right way to Grow Cauliflower