FrostCal

When to Plant Marigolds in Maryland

In a typical Maryland location, start seeds indoors Feb 20 – Mar 6, then transplant outdoors Apr 10 – Apr 17. Across the state, the outdoor planting window starts as early as Mar 29 in California and as late as May 1 in Westminster.

Method Start indoors, then transplant
Days to maturity 45–60 days

Frost-tender; start indoors 4-6 weeks before last frost, transplant after all frost danger has passed.

Marigolds Planting Dates by City

CityStart indoorsTransplant
BaltimoreFeb 10 – Feb 24Mar 31 – Apr 7
ColumbiaFeb 27 – Mar 13Apr 17 – Apr 24
GermantownMar 3 – Mar 17Apr 21 – Apr 28
Silver SpringFeb 27 – Mar 13Apr 17 – Apr 24
FrederickFeb 19 – Mar 5Apr 9 – Apr 16
WaldorfFeb 20 – Mar 6Apr 10 – Apr 17
Glen BurnieFeb 27 – Mar 13Apr 17 – Apr 24
GaithersburgFeb 18 – Mar 4Apr 8 – Apr 15
RockvilleFeb 18 – Mar 4Apr 8 – Apr 15
Ellicott CityFeb 27 – Mar 13Apr 17 – Apr 24
DundalkFeb 10 – Feb 24Mar 31 – Apr 7
BethesdaFeb 26 – Mar 12Apr 16 – Apr 23
BowieMar 11 – Mar 25Apr 29 – May 6
TowsonFeb 19 – Mar 5Apr 9 – Apr 16
Aspen HillFeb 18 – Mar 4Apr 8 – Apr 15
WheatonFeb 18 – Mar 4Apr 8 – Apr 15
Bel Air SouthFeb 27 – Mar 13Apr 17 – Apr 24
Gwynn OakFeb 19 – Mar 5Apr 9 – Apr 16
PotomacFeb 18 – Mar 4Apr 8 – Apr 15
SevernFeb 27 – Mar 13Apr 17 – Apr 24
North BethesdaFeb 18 – Mar 4Apr 8 – Apr 15
CatonsvilleFeb 10 – Feb 24Mar 31 – Apr 7
AnnapolisFeb 13 – Feb 27Apr 3 – Apr 10
HagerstownFeb 28 – Mar 14Apr 18 – Apr 25
EssexFeb 10 – Feb 24Mar 31 – Apr 7
HanoverFeb 27 – Mar 13Apr 17 – Apr 24
WoodlawnFeb 19 – Mar 5Apr 9 – Apr 16
Severna ParkFeb 13 – Feb 27Apr 3 – Apr 10
OdentonFeb 27 – Mar 13Apr 17 – Apr 24
Saint CharlesFeb 20 – Mar 6Apr 10 – Apr 17

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 marigolds in Maryland?

In a typical Maryland location, start seeds indoors Feb 20 – Mar 6, then transplant outdoors Apr 10 – Apr 17. Across the state, the outdoor planting window starts as early as Mar 29 in California and as late as May 1 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 marigolds take to grow?

Marigolds typically take 45–60 days from planting to harvest. Frost-tender; start indoors 4-6 weeks before last frost, transplant after all frost danger has passed.

Other Crops in Maryland

When to plant marigolds in other states

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