FrostCal

When to Plant Cauliflower in Maryland

In a typical Maryland location, start seeds indoors Feb 13 – Feb 27, then transplant outdoors Mar 20 – Mar 27. Across the state, the outdoor planting window starts as early as Mar 8 in California and as late as Apr 10 in Westminster. For a fall crop, plant around Aug 28 – Sep 4.

Method Start indoors, then transplant
Days to maturity 55–85 days

Fussier than broccoli about temperature swings; start indoors 5-7 weeks before last frost, transplant 1-2 weeks before last frost.

Cauliflower Planting Dates by City

CityStart indoorsTransplantFall planting
BaltimoreFeb 3 – Feb 17Mar 10 – Mar 17Sep 12 – Sep 19
ColumbiaFeb 20 – Mar 6Mar 27 – Apr 3Aug 22 – Aug 29
GermantownFeb 24 – Mar 10Mar 31 – Apr 7Aug 20 – Aug 27
Silver SpringFeb 20 – Mar 6Mar 27 – Apr 3Aug 23 – Aug 30
FrederickFeb 12 – Feb 26Mar 19 – Mar 26Aug 28 – Sep 4
WaldorfFeb 13 – Feb 27Mar 20 – Mar 27Aug 30 – Sep 6
Glen BurnieFeb 20 – Mar 6Mar 27 – Apr 3Aug 22 – Aug 29
GaithersburgFeb 11 – Feb 25Mar 18 – Mar 25Aug 28 – Sep 4
RockvilleFeb 11 – Feb 25Mar 18 – Mar 25Aug 28 – Sep 4
Ellicott CityFeb 20 – Mar 6Mar 27 – Apr 3Aug 22 – Aug 29
DundalkFeb 3 – Feb 17Mar 10 – Mar 17Sep 12 – Sep 19
BethesdaFeb 19 – Mar 5Mar 26 – Apr 2Aug 22 – Aug 29
BowieMar 4 – Mar 18Apr 8 – Apr 15Aug 13 – Aug 20
TowsonFeb 12 – Feb 26Mar 19 – Mar 26Aug 29 – Sep 5
Aspen HillFeb 11 – Feb 25Mar 18 – Mar 25Aug 28 – Sep 4
WheatonFeb 11 – Feb 25Mar 18 – Mar 25Aug 28 – Sep 4
Bel Air SouthFeb 20 – Mar 6Mar 27 – Apr 3Aug 21 – Aug 28
Gwynn OakFeb 12 – Feb 26Mar 19 – Mar 26Aug 29 – Sep 5
PotomacFeb 11 – Feb 25Mar 18 – Mar 25Aug 28 – Sep 4
SevernFeb 20 – Mar 6Mar 27 – Apr 3Aug 22 – Aug 29
North BethesdaFeb 11 – Feb 25Mar 18 – Mar 25Aug 28 – Sep 4
CatonsvilleFeb 3 – Feb 17Mar 10 – Mar 17Sep 12 – Sep 19
AnnapolisFeb 6 – Feb 20Mar 13 – Mar 20Sep 4 – Sep 11
HagerstownFeb 21 – Mar 7Mar 28 – Apr 4Aug 19 – Aug 26
EssexFeb 3 – Feb 17Mar 10 – Mar 17Sep 12 – Sep 19
HanoverFeb 20 – Mar 6Mar 27 – Apr 3Aug 22 – Aug 29
WoodlawnFeb 12 – Feb 26Mar 19 – Mar 26Aug 29 – Sep 5
Severna ParkFeb 6 – Feb 20Mar 13 – Mar 20Sep 4 – Sep 11
OdentonFeb 20 – Mar 6Mar 27 – Apr 3Aug 22 – Aug 29
Saint CharlesFeb 13 – Feb 27Mar 20 – Mar 27Aug 30 – Sep 6

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 cauliflower in Maryland?

In a typical Maryland location, start seeds indoors Feb 13 – Feb 27, then transplant outdoors Mar 20 – Mar 27. Across the state, the outdoor planting window starts as early as Mar 8 in California and as late as Apr 10 in Westminster. For a fall crop, plant around Aug 28 – Sep 4.

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 cauliflower take to grow?

Cauliflower typically take 55–85 days from planting to harvest. Fussier than broccoli about temperature swings; start indoors 5-7 weeks before last frost, transplant 1-2 weeks before last frost.

Other Crops in Maryland

When to plant cauliflower in other states

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