When to plant Brussels Sprouts in Zone 6a
In Zone 6a, Brussels Sprouts: start seeds indoors around Mar 10–Mar 24; transplant outdoors around Apr 14–Apr 28. Expect to harvest around Jul 23–Aug 6.
| Step | When |
|---|---|
| Start seeds indoors | Mar 10 – Mar 24 |
| Transplant outdoors | Apr 14 – Apr 28 |
| Harvest | Jul 23 – Aug 6 |
Tip: A long-season crop best for fall — the sprouts sweeten after a frost or two.
Zone 6a averages a last spring frost around Apr 21 and a first fall frost around Oct 17. These are zone averages — look up your ZIP for your exact area.
See the full Zone 6a calendar in the tool →