When to plant sweet potatoes in Missouri

Sweet potatoes
Plant out in Kansas City
Apr 25–May 9

Across Missouri the window opens between April 22 and May 10. Find your city below; the dates follow each town's own average last frost.

Plant out, Kansas City
Apr 25–May 9
Last sowing for a harvest
Jun 21
Last frost, Kansas City
Apr 4

Plant out 3–5 weeks after the last frost. Set out slips when the soil is warm, around 65°F. They need a long, hot season.

Sweet potatoes planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
Kansas CityApr 25–May 9
St. LouisApr 22–May 6
SpringfieldApr 25–May 9
ColumbiaApr 26–May 10
IndependenceMay 1–May 15
Lee's SummitApr 28–May 12
O'FallonMay 1–May 15
St. CharlesApr 29–May 13
St. JosephMay 10–May 24
Blue SpringsApr 28–May 12
St. PetersApr 30–May 14
JoplinApr 30–May 14
FlorissantApr 23–May 7
WentzvilleMay 1–May 15
ChesterfieldApr 25–May 9
Jefferson CityApr 29–May 13
Cape GirardeauApr 26–May 10
OakvilleApr 27–May 11
WildwoodMay 3–May 17
University CityApr 22–May 6
LibertyMay 10–May 24
BallwinApr 25–May 9
KirkwoodApr 22–May 6
RaytownApr 28–May 12
MehlvilleApr 27–May 11
Maryland HeightsApr 25–May 9
GladstoneApr 25–May 9
GrandviewApr 28–May 12
RaymoreMay 4–May 18
NixaMay 6–May 20
All 41 cities
CityPlant outLast frost
Kansas CityApr 25 to May 9Apr 4
St. LouisApr 22 to May 6Apr 1
SpringfieldApr 25 to May 9Apr 4
ColumbiaApr 26 to May 10Apr 5
IndependenceMay 1 to May 15Apr 10
Lee's SummitApr 28 to May 12Apr 7
O'FallonMay 1 to May 15Apr 10
St. CharlesApr 29 to May 13Apr 8
St. JosephMay 10 to May 24Apr 19
Blue SpringsApr 28 to May 12Apr 7
St. PetersApr 30 to May 14Apr 9
JoplinApr 30 to May 14Apr 9
FlorissantApr 23 to May 7Apr 2
WentzvilleMay 1 to May 15Apr 10
ChesterfieldApr 25 to May 9Apr 4
Jefferson CityApr 29 to May 13Apr 8
Cape GirardeauApr 26 to May 10Apr 5
OakvilleApr 27 to May 11Apr 6
WildwoodMay 3 to May 17Apr 12
University CityApr 22 to May 6Apr 1
LibertyMay 10 to May 24Apr 19
BallwinApr 25 to May 9Apr 4
KirkwoodApr 22 to May 6Apr 1
RaytownApr 28 to May 12Apr 7
MehlvilleApr 27 to May 11Apr 6
Maryland HeightsApr 25 to May 9Apr 4
GladstoneApr 25 to May 9Apr 4
GrandviewApr 28 to May 12Apr 7
RaymoreMay 4 to May 18Apr 13
NixaMay 6 to May 20Apr 15
BeltonMay 4 to May 18Apr 13
HazelwoodApr 23 to May 7Apr 2
OzarkMay 6 to May 20Apr 15
Webster GrovesApr 22 to May 6Apr 1
SedaliaMay 9 to May 23Apr 18
RepublicApr 30 to May 14Apr 9
Old JamestownApr 23 to May 7Apr 2
ArnoldApr 30 to May 14Apr 9
RollaApr 26 to May 10Apr 5
WarrensburgMay 5 to May 19Apr 14
AfftonApr 22 to May 6Apr 1

Questions

When should I plant sweet potatoes in Missouri?

In Kansas City, plant out from April 25 to May 9. Across Missouri the window opens between April 22 and May 10, depending on the local last frost.

How is this date worked out?

Plant out 3–5 weeks after the last frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Missouri

Sweet potatoes in other states

Frost dates for every city in Missouri