When to plant cauliflower in San Jose
Common questions
When will cauliflower be ready to harvest in San Jose?
Expect to harvest from around late February (Feb 23–Mar 20) in San Jose, based on its local frost dates. Confidence 74%.
When should I start cauliflower seeds indoors in San Jose?
Start seeds indoors around early January (Jan 1–Jan 22) in San Jose, based on its local frost dates. Confidence 78%.
When can I transplant cauliflower outdoors in San Jose?
Transplant outdoors around late December (Dec 25–Jan 15) in San Jose, based on its local frost dates. Confidence 80%.
Can I plant cauliflower in autumn in San Jose?
Yes — San Jose supports a second, autumn sowing of cauliflower around early August (Aug 3–Aug 17), timed to mature before the first fall frost.
How long is the growing season in San Jose?
San Jose has roughly 294 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 San Jose's frost dates.