Growing Guide: Cauliflower

Baby Cauliflower Growing in the Garden

If you’ve never tried growing cauliflower, let me warn you: It’s a challenge. Cauliflower (while delicious and nutritious) is known as a bit of a garden prima donna, and the reputation is well deserved since it is definitely one of the more difficult garden vegetables to grow. But if you’re ready to wrestle this Brassican beast into submission, great taste and nutrition await you!


When to sow indoors6 weeks before last frost
When to sow outdoorsFrom last frost to early spring
Seed depth1/2 – 1"
Germination soil temperature75° – 80°F
Germination length5 – 7 days
When to transplant5 – 7weeks
VarietiesGraffiti (gorgeous, purple)

Cheddar (orange!)

Amazing (easier to grow)
pH range5.5 – 7.5
Soil temperature for growing60° – 70°F
WateringModerate and even; higher during critical watering periods.
LightFull sun
Nutrient requirementsN = high

P = high

K = high
Fertilizer scheduleEvery 2 to 3 weeks; use nitrogen fixing cover crops.
When to harvestWhen head is tight and developed but curd hasn't separated (becoming "ricey").

Looking for more information and inspiration?
Check out these tips for growing cauliflower.

Image thanks to Dan Meineck!

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