FrostCal

When to Plant Broccoli in Oklahoma

In a typical Oklahoma location, start seeds indoors Feb 12 – Feb 26, then transplant outdoors Mar 12 – Mar 19. Across the state, the outdoor planting window starts as early as Feb 22 in Ardmore and as late as Mar 28 in Guymon. For a fall crop, plant around Sep 1 – Sep 8.

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
Oklahoma CityFeb 14 – Feb 28Mar 14 – Mar 21Aug 31 – Sep 7
TulsaFeb 10 – Feb 24Mar 10 – Mar 17Sep 2 – Sep 9
NormanFeb 10 – Feb 24Mar 10 – Mar 17Sep 3 – Sep 10
Broken ArrowFeb 11 – Feb 25Mar 11 – Mar 18Aug 30 – Sep 6
LawtonFeb 11 – Feb 25Mar 11 – Mar 18Sep 3 – Sep 10
EdmondFeb 12 – Feb 26Mar 12 – Mar 19Sep 3 – Sep 10
MooreFeb 14 – Feb 28Mar 14 – Mar 21Aug 31 – Sep 7
Midwest CityFeb 12 – Feb 26Mar 12 – Mar 19Sep 3 – Sep 10
EnidFeb 16 – Mar 2Mar 16 – Mar 23Aug 30 – Sep 6
StillwaterFeb 15 – Mar 1Mar 15 – Mar 22Aug 28 – Sep 4
MuskogeeFeb 17 – Mar 3Mar 17 – Mar 24Aug 28 – Sep 4
BartlesvilleFeb 21 – Mar 7Mar 21 – Mar 28Aug 22 – Aug 29
OwassoFeb 10 – Feb 24Mar 10 – Mar 17Sep 2 – Sep 9
ShawneeFeb 9 – Feb 23Mar 9 – Mar 16Sep 3 – Sep 10
YukonFeb 12 – Feb 26Mar 12 – Mar 19Sep 2 – Sep 9
ArdmoreJan 25 – Feb 8Feb 22 – Mar 1Sep 12 – Sep 19
Ponca CityFeb 20 – Mar 6Mar 20 – Mar 27Aug 25 – Sep 1
BixbyFeb 11 – Feb 25Mar 11 – Mar 18Aug 30 – Sep 6
DuncanFeb 4 – Feb 18Mar 4 – Mar 11Sep 5 – Sep 12
Del CityFeb 12 – Feb 26Mar 12 – Mar 19Sep 3 – Sep 10
JenksFeb 9 – Feb 23Mar 9 – Mar 16Sep 2 – Sep 9
SapulpaFeb 9 – Feb 23Mar 9 – Mar 16Sep 2 – Sep 9
MustangFeb 14 – Feb 28Mar 14 – Mar 21Aug 31 – Sep 7
Sand SpringsFeb 9 – Feb 23Mar 9 – Mar 16Sep 2 – Sep 9
BethanyFeb 12 – Feb 26Mar 12 – Mar 19Sep 2 – Sep 9
AltusFeb 15 – Mar 1Mar 15 – Mar 22Aug 31 – Sep 7
ClaremoreFeb 17 – Mar 3Mar 17 – Mar 24Aug 28 – Sep 4
El RenoFeb 16 – Mar 2Mar 16 – Mar 23Aug 29 – Sep 5
McAlesterFeb 10 – Feb 24Mar 10 – Mar 17Sep 1 – Sep 8
AdaFeb 12 – Feb 26Mar 12 – Mar 19Sep 2 – Sep 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 broccoli in Oklahoma?

In a typical Oklahoma location, start seeds indoors Feb 12 – Feb 26, then transplant outdoors Mar 12 – Mar 19. Across the state, the outdoor planting window starts as early as Feb 22 in Ardmore and as late as Mar 28 in Guymon. For a fall crop, plant around Sep 1 – Sep 8.

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 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 Oklahoma

When to plant broccoli in other states

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