When to plant kale in London
Common questions
When can I sow kale outdoors in London?
Direct-sow around mid March (Mar 16–Apr 6) in London, based on its local frost dates. Confidence 82%.
When will kale be ready to harvest in London?
Expect to harvest from around early May (May 10–May 30) in London, based on its local frost dates. Confidence 74%.
When should I start kale seeds indoors in London?
Start seeds indoors around late February (Feb 23–Mar 16) in London, based on its local frost dates. Confidence 78%.
When can I transplant kale outdoors in London?
Transplant outdoors around mid March (Mar 16–Apr 6) in London, based on its local frost dates. Confidence 82%.
Can I plant kale in autumn in London?
Yes — London supports a second, autumn sowing of kale around mid August (Aug 12–Aug 26), timed to mature before the first fall frost.
How long is the growing season in London?
London has roughly 234 frost-free days, which is enough time to grow kale to maturity outdoors.
Sow kale as soon as the soil is workable — it tolerates cool weather and light frost. Every date on this page is derived from that rule and London's frost dates.