When to plant kale in Riverside
Common questions
When can I sow kale outdoors in Riverside?
Direct-sow around late January (Jan 26–Feb 16) in Riverside, based on its local frost dates. Confidence 78%.
When will kale be ready to harvest in Riverside?
Expect to harvest from around late March (Mar 22–Apr 11) in Riverside, based on its local frost dates. Confidence 70%.
When should I start kale seeds indoors in Riverside?
Start seeds indoors around early January (Jan 5–Jan 26) in Riverside, based on its local frost dates. Confidence 74%.
When can I transplant kale outdoors in Riverside?
Transplant outdoors around late January (Jan 26–Feb 16) in Riverside, based on its local frost dates. Confidence 78%.
Can I plant kale in autumn in Riverside?
Yes — Riverside supports a second, autumn sowing of kale around early September (Sep 1–Sep 15), timed to mature before the first fall frost.
How long is the growing season in Riverside?
Riverside has roughly 293 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 Riverside's frost dates.