Set cauliflower seedlings inside the garden about two or 3 weeks forward of the standard remaining frost date, no longer earlier. Sow cauliflower seeds indoors 4 to 6 weeks forward of atmosphere seedlings inside the garden. Cauliflower grows highest conceivable at 57° to 68°F (14°-20°C).
Time cauliflower planting so that vegetation do not mature in scorching, head-stunting summer time local weather. If summers are scorching in your house, you need to want to expand cauliflower in autumn. Set cauliflower seedling out in June or July for September to November harvest.
Transplant cauliflower seedlings into the garden when they are 6 to 7 inches (15-18cm) tall. Take into accout to corporate the soil successfully over seedling roots. Water seedlings day by day for plenty of days after moving them and offer protection to them from direct sun until they are well-rooted.
For the most productive heads, cauliflower must expand all of a sudden. Plant in humus-rich soil and keep the soil calmly rainy; do not let it go dry. When the highest develops, smash off a bottom leaf and set it over the curd (the growing head) to stick out the light.
Cauliflower seedling planting dates for spring and summer time harvest
(The ones dates are for the Northern Hemisphere)
| Average date of the remaining 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-Would possibly 10 |
| Would possibly 10 | Apr. 15-Would possibly 15 |
| Would possibly 20 | Would possibly 10-June 15 |
| Would possibly 30 | Would possibly 20-June 1 |
| June 10 | June 1-June 15 |
Cauliflower planting details
- Sowing depth: ¼ inch (6mm)
- Space between plant after thinning: 20-24 inches (50-61cm)
- Days to sprout: 8
- Days to harvest: 50-85
- Storage length: 2-3 weeks
- Seeds in step with 100 row feet: 1 packet
- Yield in step with 100 row feet: 60 heads
- Early to harvest varieties (50-60 days): Further Early Snowball, Super Snowball
- Late to harvest varieties (80-110 days): Snowball Y, Snowball No. 84, Perfected Snowball, Snowball 57, Boomerang
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