When to plant broccoli in Modesto
Common questions
When will broccoli be ready to harvest in Modesto?
Expect to harvest from around late February (Feb 24–Mar 21) in Modesto, based on its local frost dates. Confidence 78%.
When should I start broccoli seeds indoors in Modesto?
Start seeds indoors around mid December (Dec 16–Jan 6) in Modesto, based on its local frost dates. Confidence 83%.
When can I transplant broccoli outdoors in Modesto?
Transplant outdoors around late December (Dec 26–Jan 16) in Modesto, based on its local frost dates. Confidence 84%.
Can I plant broccoli in autumn in Modesto?
Yes — Modesto 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 Modesto?
Modesto has roughly 310 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 Modesto's frost dates.