When to plant cauliflower in Oklahoma

Plant out in Oklahoma City

Mar 21–Apr 4

Across Oklahoma the window opens between March 1 and March 28. Find your city below; the dates follow each town's own average last frost.

Start indoors, Oklahoma City: Jan 24–Feb 7
Plant out, Oklahoma City: Mar 21–Apr 4
Fall planting, Oklahoma City: Aug 10–Aug 24
Last frost, Oklahoma City: Apr 4

Start seeds indoors 8–10 weeks before the last frost; plant out up to 2 weeks before the last frost; sow again for fall 10–12 weeks before the first frost. When heads reach the size of an egg, tie the leaves over them to keep them white.

Cauliflower planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost

JanFebMarAprMayJunJulAugSepOctNovDec

Oklahoma CityMar 21–Apr 4

TulsaMar 17–Mar 31

NormanMar 20–Apr 3

Broken ArrowMar 18–Apr 1

EdmondMar 27–Apr 10

LawtonMar 12–Mar 26

MooreMar 17–Mar 31

Midwest CityMar 19–Apr 2

EnidMar 23–Apr 6

StillwaterMar 22–Apr 5

OwassoMar 17–Mar 31

BartlesvilleMar 28–Apr 11

MuskogeeMar 24–Apr 7

BixbyMar 18–Apr 1

ShawneeMar 16–Mar 30

JenksMar 16–Mar 30

YukonMar 19–Apr 2

ArdmoreMar 1–Mar 15

MustangMar 21–Apr 4

Ponca CityMar 27–Apr 10

SapulpaMar 16–Mar 30

DuncanMar 11–Mar 25

DurantMar 17–Mar 31

Del CityMar 19–Apr 2

El RenoMar 23–Apr 6

ClaremoreMar 24–Apr 7

Sand SpringsMar 16–Mar 30

BethanyMar 19–Apr 2

Questions

When should I plant cauliflower in Oklahoma?

In Oklahoma City, plant out from March 21 to April 4. Across Oklahoma the window opens between March 1 and March 28, depending on the local last frost.

How is this date worked out?

Start seeds indoors 8–10 weeks before the last frost; plant out up to 2 weeks before the last frost; sow again for fall 10–12 weeks before the first frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Oklahoma

Cauliflower in other states

Frost dates for every city in Oklahoma