When to plant watermelon in Oklahoma

Plant out in Oklahoma City

Apr 18–May 2

Across Oklahoma the window opens between March 29 and April 25. Find your city below; the dates follow each town's own average last frost.

Start indoors, Oklahoma City: Mar 7–Mar 14
Plant out, Oklahoma City: Apr 18–May 2
Sow outdoors, Oklahoma City: Apr 18–May 2
Last sowing for a harvest: Jul 11
Last frost, Oklahoma City: Apr 4

Start seeds indoors 3–4 weeks before the last frost; plant out 2–4 weeks after the last frost; sow outdoors 2–4 weeks after the last frost. In short-season areas, start seedlings indoors and pick an early variety.

Watermelon planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost

JanFebMarAprMayJunJulAugSepOctNovDec

Oklahoma CityApr 18–May 2

TulsaApr 14–Apr 28

NormanApr 17–May 1

Broken ArrowApr 15–Apr 29

EdmondApr 24–May 8

LawtonApr 9–Apr 23

MooreApr 14–Apr 28

Midwest CityApr 16–Apr 30

EnidApr 20–May 4

StillwaterApr 19–May 3

OwassoApr 14–Apr 28

BartlesvilleApr 25–May 9

MuskogeeApr 21–May 5

BixbyApr 15–Apr 29

ShawneeApr 13–Apr 27

JenksApr 13–Apr 27

YukonApr 16–Apr 30

ArdmoreMar 29–Apr 12

MustangApr 18–May 2

Ponca CityApr 24–May 8

SapulpaApr 13–Apr 27

DuncanApr 8–Apr 22

DurantApr 14–Apr 28

Del CityApr 16–Apr 30

El RenoApr 20–May 4

ClaremoreApr 21–May 5

Sand SpringsApr 13–Apr 27

BethanyApr 16–Apr 30

Questions

When should I plant watermelon in Oklahoma?

In Oklahoma City, plant out from April 18 to May 2. Across Oklahoma the window opens between March 29 and April 25, depending on the local last frost.

How is this date worked out?

Start seeds indoors 3–4 weeks before the last frost; plant out 2–4 weeks after the last frost; sow outdoors 2–4 weeks after the last frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Oklahoma

Watermelon in other states

Frost dates for every city in Oklahoma