FrostCal

When to Plant Broccoli in Maryland

In a typical Maryland location, start seeds indoors Feb 13 – Feb 27, then transplant outdoors Mar 13 – Mar 20. Across the state, the outdoor planting window starts as early as Mar 1 in California and as late as Apr 3 in Westminster. For a fall crop, plant around Sep 4 – Sep 11.

Method Start indoors, then transplant
Days to maturity 55–80 days

Start indoors 5-7 weeks before last frost; transplant out 2-3 weeks before last frost (hardens off to light frost).

Broccoli Planting Dates by City

CityStart indoorsTransplantFall planting
BaltimoreFeb 3 – Feb 17Mar 3 – Mar 10Sep 19 – Sep 26
ColumbiaFeb 20 – Mar 6Mar 20 – Mar 27Aug 29 – Sep 5
GermantownFeb 24 – Mar 10Mar 24 – Mar 31Aug 27 – Sep 3
Silver SpringFeb 20 – Mar 6Mar 20 – Mar 27Aug 30 – Sep 6
FrederickFeb 12 – Feb 26Mar 12 – Mar 19Sep 4 – Sep 11
WaldorfFeb 13 – Feb 27Mar 13 – Mar 20Sep 6 – Sep 13
Glen BurnieFeb 20 – Mar 6Mar 20 – Mar 27Aug 29 – Sep 5
GaithersburgFeb 11 – Feb 25Mar 11 – Mar 18Sep 4 – Sep 11
RockvilleFeb 11 – Feb 25Mar 11 – Mar 18Sep 4 – Sep 11
Ellicott CityFeb 20 – Mar 6Mar 20 – Mar 27Aug 29 – Sep 5
DundalkFeb 3 – Feb 17Mar 3 – Mar 10Sep 19 – Sep 26
BethesdaFeb 19 – Mar 5Mar 19 – Mar 26Aug 29 – Sep 5
BowieMar 4 – Mar 18Apr 1 – Apr 8Aug 20 – Aug 27
TowsonFeb 12 – Feb 26Mar 12 – Mar 19Sep 5 – Sep 12
Aspen HillFeb 11 – Feb 25Mar 11 – Mar 18Sep 4 – Sep 11
WheatonFeb 11 – Feb 25Mar 11 – Mar 18Sep 4 – Sep 11
Bel Air SouthFeb 20 – Mar 6Mar 20 – Mar 27Aug 28 – Sep 4
Gwynn OakFeb 12 – Feb 26Mar 12 – Mar 19Sep 5 – Sep 12
PotomacFeb 11 – Feb 25Mar 11 – Mar 18Sep 4 – Sep 11
SevernFeb 20 – Mar 6Mar 20 – Mar 27Aug 29 – Sep 5
North BethesdaFeb 11 – Feb 25Mar 11 – Mar 18Sep 4 – Sep 11
CatonsvilleFeb 3 – Feb 17Mar 3 – Mar 10Sep 19 – Sep 26
AnnapolisFeb 6 – Feb 20Mar 6 – Mar 13Sep 11 – Sep 18
HagerstownFeb 21 – Mar 7Mar 21 – Mar 28Aug 26 – Sep 2
EssexFeb 3 – Feb 17Mar 3 – Mar 10Sep 19 – Sep 26
HanoverFeb 20 – Mar 6Mar 20 – Mar 27Aug 29 – Sep 5
WoodlawnFeb 12 – Feb 26Mar 12 – Mar 19Sep 5 – Sep 12
Severna ParkFeb 6 – Feb 20Mar 6 – Mar 13Sep 11 – Sep 18
OdentonFeb 20 – Mar 6Mar 20 – Mar 27Aug 29 – Sep 5
Saint CharlesFeb 13 – Feb 27Mar 13 – Mar 20Sep 6 – Sep 13

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 broccoli in Maryland?

In a typical Maryland location, start seeds indoors Feb 13 – Feb 27, then transplant outdoors Mar 13 – Mar 20. Across the state, the outdoor planting window starts as early as Mar 1 in California and as late as Apr 3 in Westminster. For a fall crop, plant around Sep 4 – Sep 11.

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 broccoli take to grow?

Broccoli typically take 55–80 days from planting to harvest. Start indoors 5-7 weeks before last frost; transplant out 2-3 weeks before last frost (hardens off to light frost).

Other Crops in Maryland

When to plant broccoli in other states

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