When to plant kale in Hartford
Common questions
When can I sow kale outdoors in Hartford?
Direct-sow around early April (Apr 6–Apr 27) in Hartford, based on its local frost dates. Confidence 86%.
When will kale be ready to harvest in Hartford?
Expect to harvest from around late May (May 31–Jun 20) in Hartford, based on its local frost dates. Confidence 80%.
When should I start kale seeds indoors in Hartford?
Start seeds indoors around early March (Mar 3–Mar 24) in Hartford, based on its local frost dates. Confidence 85%.
When can I transplant kale outdoors in Hartford?
Transplant outdoors around early April (Apr 6–Apr 27) in Hartford, based on its local frost dates. Confidence 86%.
Can I plant kale in autumn in Hartford?
Yes — Hartford supports a second, autumn sowing of kale around mid July (Jul 15–Jul 29), timed to mature before the first fall frost.
How long is the growing season in Hartford?
Hartford has roughly 188 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 Hartford's frost dates.