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SowingDates

When to plant brussels sprouts

Vegetable, hardy

Start indoors 6–8 weeks before the frost-free date. Direct-sow about 3 weeks before the last frost in spring, or 10–12 weeks before the first killing frost for fall; sprouts need 90–100 days and taste better after frost.

The general rule

Start indoors
6–8 weeks before the last spring frost
Sow outdoors
3 weeks before the last spring frost
Sow for fall
10–12 weeks before the first fall frost
Days to maturity
90–100 days

What that means in different climates

The same rule applied to the safer frost dates of cities from cold to frost-free.

Brussels sprouts planting dates in example cities
CityLast frost · saferStart indoorsSow outdoorsSow for fall
San Jose, CAJan 23Nov 28 – Dec 12Jan 2 – Jan 2Sep 11 – Sep 25
Tucson, AZMar 2Jan 5 – Jan 19Feb 9 – Feb 9Aug 29 – Sep 12
Portland, ORMar 21Jan 24 – Feb 7Feb 28 – Feb 28Aug 18 – Sep 1
Baltimore, MDApr 4Feb 7 – Feb 21Mar 14 – Mar 14Aug 15 – Aug 29
New York, NYApr 12Feb 15 – Mar 1Mar 22 – Mar 22Aug 14 – Aug 28
Nashville, TNApr 16Feb 19 – Mar 5Mar 26 – Mar 26Jul 26 – Aug 9
Louisville, KYApr 23Feb 26 – Mar 12Apr 2 – Apr 2Jul 29 – Aug 12
Omaha, NEMay 6Mar 11 – Mar 25Apr 15 – Apr 15Jul 10 – Jul 24
Colorado Springs, COMay 15Mar 20 – Apr 3Apr 24 – Apr 24Jul 4 – Jul 18
Miami, FLFrost rareFrost is rare: fall and winter.

Sources