Cauliflower
Brassica oleracea var. botrytis
In a typical UK garden, sow indoors late January to mid-May, sow outside early April to mid-May, plant out late March to late June, and harvest mid-June to late November.
When to sow, plant and harvest
Last frost around 20 April, first frost around 31 October.
- Sow indoors
- late January to mid-May
- Sow outdoors
- early April to mid-May
- Plant out
- late March to late June
- Harvest
- mid-June to late November
Growing facts
- Spacing
- 60 cm apart, rows 60 cm apart
- Square foot
- 1 per square (30 cm squares)
- Sowing depth
- 1.5 cm
- Ready in
- 55 to 90 days from planting out
- Grows to
- 60 cm
- Hardiness
- Hardy to about -5 °C
- Sun
- Full sun
- Crops for
- One harvest
Growing tip
Bend a few outer leaves over the curd to keep it white and shield it from sun and frost.
Neighbours
Grows well with
Keep apart from
Brassicas are one crop rotation group. Try not to grow them where any of the family grew in the last two or three years. How crop rotation works
More brassicas
Where these figures come from
Every crop in VegLog was checked against published growing advice. Dates are worked out from average frost dates, so they shift with your garden. For cauliflower, we used: