When to Plant Sweet Potatoes in Oklahoma

In a typical Oklahoma location, plant outdoors Apr 16 – Apr 30. Across the state, the outdoor planting window starts as early as Mar 29 in Ardmore and as late as May 2 in Guymon.

Method Plant out (slips, crowns, or tubers)
Days to maturity 90–120 days

Set out slips 2-4 weeks after last frost once soil is thoroughly warm (65F+); very frost/cold sensitive.

Sweet Potatoes Planting Dates by City

CityPlant outdoors
Oklahoma CityApr 18 – May 2
TulsaApr 14 – Apr 28
NormanApr 14 – Apr 28
Broken ArrowApr 15 – Apr 29
LawtonApr 15 – Apr 29
EdmondApr 16 – Apr 30
MooreApr 18 – May 2
Midwest CityApr 16 – Apr 30
EnidApr 20 – May 4
StillwaterApr 19 – May 3
MuskogeeApr 21 – May 5
BartlesvilleApr 25 – May 9
OwassoApr 14 – Apr 28
ShawneeApr 13 – Apr 27
YukonApr 16 – Apr 30
ArdmoreMar 29 – Apr 12
Ponca CityApr 24 – May 8
BixbyApr 15 – Apr 29
DuncanApr 8 – Apr 22
Del CityApr 16 – Apr 30
JenksApr 13 – Apr 27
SapulpaApr 13 – Apr 27
MustangApr 18 – May 2
Sand SpringsApr 13 – Apr 27
BethanyApr 16 – Apr 30
AltusApr 19 – May 3
ClaremoreApr 21 – May 5
El RenoApr 20 – May 4
McAlesterApr 14 – Apr 28
AdaApr 16 – Apr 30

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 sweet potatoes in Oklahoma?

In a typical Oklahoma location, plant outdoors Apr 16 – Apr 30. Across the state, the outdoor planting window starts as early as Mar 29 in Ardmore and as late as May 2 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 sweet potatoes take to grow?

Sweet Potatoes typically take 90–120 days from planting to harvest. Set out slips 2-4 weeks after last frost once soil is thoroughly warm (65F+); very frost/cold sensitive.

Other Crops in Oklahoma

When to plant sweet potatoes in other states

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