When to plant cabbage in San Jose
Common questions
When will cabbage be ready to harvest in San Jose?
Expect to harvest from around early March (Mar 5–Apr 4) in San Jose, based on its local frost dates. Confidence 74%.
When should I start cabbage 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 cabbage 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 cabbage in autumn in San Jose?
Yes — San Jose supports a second, autumn sowing of cabbage around early August (Aug 4–Aug 18), 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 cabbage to maturity outdoors.
Sow cabbage 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.