FrostCal

When to Plant Oregano in Maryland

In a typical Maryland location, start seeds indoors Feb 6 – Feb 20, then transplant outdoors Apr 3 – Apr 10. Across the state, the outdoor planting window starts as early as Mar 22 in California and as late as Apr 24 in Westminster.

Method Start indoors, then transplant
Days to maturity 80–90 days

Perennial herb; start indoors 6-8 weeks before last frost, transplant around/just after last frost date.

Oregano Planting Dates by City

CityStart indoorsTransplant
BaltimoreJan 27 – Feb 10Mar 24 – Mar 31
ColumbiaFeb 13 – Feb 27Apr 10 – Apr 17
GermantownFeb 17 – Mar 3Apr 14 – Apr 21
Silver SpringFeb 13 – Feb 27Apr 10 – Apr 17
FrederickFeb 5 – Feb 19Apr 2 – Apr 9
WaldorfFeb 6 – Feb 20Apr 3 – Apr 10
Glen BurnieFeb 13 – Feb 27Apr 10 – Apr 17
GaithersburgFeb 4 – Feb 18Apr 1 – Apr 8
RockvilleFeb 4 – Feb 18Apr 1 – Apr 8
Ellicott CityFeb 13 – Feb 27Apr 10 – Apr 17
DundalkJan 27 – Feb 10Mar 24 – Mar 31
BethesdaFeb 12 – Feb 26Apr 9 – Apr 16
BowieFeb 25 – Mar 11Apr 22 – Apr 29
TowsonFeb 5 – Feb 19Apr 2 – Apr 9
Aspen HillFeb 4 – Feb 18Apr 1 – Apr 8
WheatonFeb 4 – Feb 18Apr 1 – Apr 8
Bel Air SouthFeb 13 – Feb 27Apr 10 – Apr 17
Gwynn OakFeb 5 – Feb 19Apr 2 – Apr 9
PotomacFeb 4 – Feb 18Apr 1 – Apr 8
SevernFeb 13 – Feb 27Apr 10 – Apr 17
North BethesdaFeb 4 – Feb 18Apr 1 – Apr 8
CatonsvilleJan 27 – Feb 10Mar 24 – Mar 31
AnnapolisJan 30 – Feb 13Mar 27 – Apr 3
HagerstownFeb 14 – Feb 28Apr 11 – Apr 18
EssexJan 27 – Feb 10Mar 24 – Mar 31
HanoverFeb 13 – Feb 27Apr 10 – Apr 17
WoodlawnFeb 5 – Feb 19Apr 2 – Apr 9
Severna ParkJan 30 – Feb 13Mar 27 – Apr 3
OdentonFeb 13 – Feb 27Apr 10 – Apr 17
Saint CharlesFeb 6 – Feb 20Apr 3 – Apr 10

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 oregano in Maryland?

In a typical Maryland location, start seeds indoors Feb 6 – Feb 20, then transplant outdoors Apr 3 – Apr 10. Across the state, the outdoor planting window starts as early as Mar 22 in California and as late as Apr 24 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 oregano take to grow?

Oregano typically take 80–90 days from planting to harvest. Perennial herb; start indoors 6-8 weeks before last frost, transplant around/just after last frost date.

Other Crops in Maryland

When to plant oregano in other states

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