When to plant broccoli in Philadelphia
Common questions
When will broccoli be ready to harvest in Philadelphia?
Expect to harvest from around mid May (May 13–Jun 7) in Philadelphia, based on its local frost dates. Confidence 78%.
When should I start broccoli seeds indoors in Philadelphia?
Start seeds indoors around mid February (Feb 14–Mar 7) in Philadelphia, based on its local frost dates. Confidence 83%.
When can I transplant broccoli outdoors in Philadelphia?
Transplant outdoors around mid March (Mar 14–Apr 4) in Philadelphia, based on its local frost dates. Confidence 87%.
Can I plant broccoli in autumn in Philadelphia?
Yes — Philadelphia supports a second, autumn sowing of broccoli around early August (Aug 8–Aug 22), timed to mature before the first fall frost.
How long is the growing season in Philadelphia?
Philadelphia has roughly 234 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 Philadelphia's frost dates.