When to plant broccoli in San Bernardino
Common questions
When will broccoli be ready to harvest in San Bernardino?
Expect to harvest from around late February (Feb 24–Mar 21) in San Bernardino, based on its local frost dates. Confidence 70%.
When should I start broccoli seeds indoors in San Bernardino?
Start seeds indoors around mid January (Jan 12–Feb 2) in San Bernardino, based on its local frost dates. Confidence 74%.
When can I transplant broccoli outdoors in San Bernardino?
Transplant outdoors around late December (Dec 26–Jan 16) in San Bernardino, based on its local frost dates. Confidence 76%.
Can I plant broccoli in autumn in San Bernardino?
Yes — San Bernardino supports a second, autumn sowing of broccoli around late August (Aug 25–Sep 8), timed to mature before the first fall frost.
How long is the growing season in San Bernardino?
San Bernardino has roughly 284 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 Bernardino's frost dates.