FrostCal

When to Plant Thyme in Oklahoma

In a typical Oklahoma location, start seeds indoors Feb 5 – Feb 19, then transplant outdoors Apr 2 – Apr 9. Across the state, the outdoor planting window starts as early as Mar 15 in Ardmore and as late as Apr 18 in Guymon.

Method Start indoors, then transplant
Days to maturity 85–95 days

Perennial herb, slow from seed; start indoors 6-8 weeks before last frost, transplant around/after last frost.

Thyme Planting Dates by City

CityStart indoorsTransplant
Oklahoma CityFeb 7 – Feb 21Apr 4 – Apr 11
TulsaFeb 3 – Feb 17Mar 31 – Apr 7
NormanFeb 3 – Feb 17Mar 31 – Apr 7
Broken ArrowFeb 4 – Feb 18Apr 1 – Apr 8
LawtonFeb 4 – Feb 18Apr 1 – Apr 8
EdmondFeb 5 – Feb 19Apr 2 – Apr 9
MooreFeb 7 – Feb 21Apr 4 – Apr 11
Midwest CityFeb 5 – Feb 19Apr 2 – Apr 9
EnidFeb 9 – Feb 23Apr 6 – Apr 13
StillwaterFeb 8 – Feb 22Apr 5 – Apr 12
MuskogeeFeb 10 – Feb 24Apr 7 – Apr 14
BartlesvilleFeb 14 – Feb 28Apr 11 – Apr 18
OwassoFeb 3 – Feb 17Mar 31 – Apr 7
ShawneeFeb 2 – Feb 16Mar 30 – Apr 6
YukonFeb 5 – Feb 19Apr 2 – Apr 9
ArdmoreJan 18 – Feb 1Mar 15 – Mar 22
Ponca CityFeb 13 – Feb 27Apr 10 – Apr 17
BixbyFeb 4 – Feb 18Apr 1 – Apr 8
DuncanJan 28 – Feb 11Mar 25 – Apr 1
Del CityFeb 5 – Feb 19Apr 2 – Apr 9
JenksFeb 2 – Feb 16Mar 30 – Apr 6
SapulpaFeb 2 – Feb 16Mar 30 – Apr 6
MustangFeb 7 – Feb 21Apr 4 – Apr 11
Sand SpringsFeb 2 – Feb 16Mar 30 – Apr 6
BethanyFeb 5 – Feb 19Apr 2 – Apr 9
AltusFeb 8 – Feb 22Apr 5 – Apr 12
ClaremoreFeb 10 – Feb 24Apr 7 – Apr 14
El RenoFeb 9 – Feb 23Apr 6 – Apr 13
McAlesterFeb 3 – Feb 17Mar 31 – Apr 7
AdaFeb 5 – Feb 19Apr 2 – Apr 9

Showing the 30 most populous of 48 Oklahoma cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Oklahoma cities.

Frequently Asked Questions

When should I plant thyme in Oklahoma?

In a typical Oklahoma location, start seeds indoors Feb 5 – Feb 19, then transplant outdoors Apr 2 – Apr 9. Across the state, the outdoor planting window starts as early as Mar 15 in Ardmore and as late as Apr 18 in Guymon.

When is the last frost in Oklahoma?

The average last spring frost in Oklahoma ranges from March 15 in Ardmore to April 18 in Guymon, based on NOAA 1991–2020 climate normals.

How long do thyme take to grow?

Thyme typically take 85–95 days from planting to harvest. Perennial herb, slow from seed; start indoors 6-8 weeks before last frost, transplant around/after last frost.

Other Crops in Oklahoma

When to plant thyme in other states

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