FrostCal

When to Plant Brussels Sprouts in Maryland

In a typical Maryland location, start seeds indoors Feb 13 – Feb 27, then transplant outdoors Mar 13 – Mar 27. Across the state, the outdoor planting window starts as early as Mar 1 in California and as late as Apr 3 in Westminster.

Method Start indoors, then transplant
Days to maturity 90–110 days

Long-season crop best timed to mature after a light fall frost for sweetest flavor; start indoors 5-7 weeks before last frost.

Brussels Sprouts Planting Dates by City

CityStart indoorsTransplant
BaltimoreFeb 3 – Feb 17Mar 3 – Mar 17
ColumbiaFeb 20 – Mar 6Mar 20 – Apr 3
GermantownFeb 24 – Mar 10Mar 24 – Apr 7
Silver SpringFeb 20 – Mar 6Mar 20 – Apr 3
FrederickFeb 12 – Feb 26Mar 12 – Mar 26
WaldorfFeb 13 – Feb 27Mar 13 – Mar 27
Glen BurnieFeb 20 – Mar 6Mar 20 – Apr 3
GaithersburgFeb 11 – Feb 25Mar 11 – Mar 25
RockvilleFeb 11 – Feb 25Mar 11 – Mar 25
Ellicott CityFeb 20 – Mar 6Mar 20 – Apr 3
DundalkFeb 3 – Feb 17Mar 3 – Mar 17
BethesdaFeb 19 – Mar 5Mar 19 – Apr 2
BowieMar 4 – Mar 18Apr 1 – Apr 15
TowsonFeb 12 – Feb 26Mar 12 – Mar 26
Aspen HillFeb 11 – Feb 25Mar 11 – Mar 25
WheatonFeb 11 – Feb 25Mar 11 – Mar 25
Bel Air SouthFeb 20 – Mar 6Mar 20 – Apr 3
Gwynn OakFeb 12 – Feb 26Mar 12 – Mar 26
PotomacFeb 11 – Feb 25Mar 11 – Mar 25
SevernFeb 20 – Mar 6Mar 20 – Apr 3
North BethesdaFeb 11 – Feb 25Mar 11 – Mar 25
CatonsvilleFeb 3 – Feb 17Mar 3 – Mar 17
AnnapolisFeb 6 – Feb 20Mar 6 – Mar 20
HagerstownFeb 21 – Mar 7Mar 21 – Apr 4
EssexFeb 3 – Feb 17Mar 3 – Mar 17
HanoverFeb 20 – Mar 6Mar 20 – Apr 3
WoodlawnFeb 12 – Feb 26Mar 12 – Mar 26
Severna ParkFeb 6 – Feb 20Mar 6 – Mar 20
OdentonFeb 20 – Mar 6Mar 20 – Apr 3
Saint CharlesFeb 13 – Feb 27Mar 13 – Mar 27

Showing the 30 most populous of 151 Maryland cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Maryland cities.

Frequently Asked Questions

When should I plant Brussels sprouts in Maryland?

In a typical Maryland location, start seeds indoors Feb 13 – Feb 27, then transplant outdoors Mar 13 – Mar 27. Across the state, the outdoor planting window starts as early as Mar 1 in California and as late as Apr 3 in Westminster.

When is the last frost in Maryland?

The average last spring frost in Maryland ranges from March 22 in California to April 24 in Westminster, based on NOAA 1991–2020 climate normals.

How long do Brussels sprouts take to grow?

Brussels Sprouts typically take 90–110 days from planting to harvest. Long-season crop best timed to mature after a light fall frost for sweetest flavor; start indoors 5-7 weeks before last frost.

Other Crops in Maryland

When to plant Brussels sprouts in other states

Related Guides