Maryland · zones 6b–7b
When to plant broccoli in Maryland.
Sow or transplant between Feb 15 to Mar 15 in a typical year, keyed to Maryland's median last frost around Apr 8. A second, fall sowing fits Jul 21 to Aug 30. Dates below are state medians; your ZIP code shifts them by days to weeks.
The 2026 windows
Broccoli dates for a typical Maryland season.
1 · Start indoors
Jan 4 to Feb 1
About 6 weeks before set-out. Warm spot, real light.
2 · Set out
Feb 15 to Mar 15
Keyed to the ~Apr 8 last frost. Sow 0.5" deep, 18" apart.
Fall round
Jul 21 to Aug 30
Counted back from the ~Nov 4 first frost.
Harvest
~60 days later
~1.2 lb per plant over ~3 weeks.
Maryland spans more than one climate: Zone 7 is the most common zone, but the state runs 6b to 7b. That's why the planner works from your ZIP code's frost dates, not your zone — mountain and coastal gardens in the same state can be three weeks apart.