When to plant broccoli in San Jose
Common questions
When will broccoli 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 broccoli 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 broccoli 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 broccoli in autumn in San Jose?
Yes — San Jose supports a second, autumn sowing of broccoli around mid August (Aug 19–Sep 2), 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 broccoli to maturity outdoors.
Sow broccoli 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.