When to plant cauliflower in Hartford
Common questions
When will cauliflower be ready to harvest in Hartford?
Expect to harvest from around early June (Jun 6–Jul 1) in Hartford, based on its local frost dates. Confidence 80%.
When should I start cauliflower 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 cauliflower outdoors in Hartford?
Transplant outdoors around early April (Apr 7–Apr 28) in Hartford, based on its local frost dates. Confidence 86%.
Can I plant cauliflower in autumn in Hartford?
Yes — Hartford supports a second, autumn sowing of cauliflower around late June (Jun 25–Jul 9), 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 cauliflower to maturity outdoors.
Sow cauliflower 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.