When to plant sunflowers in Ohio

Sunflowers
Sow outdoors in Columbus
Apr 20–May 11

Across Ohio the window opens between April 8 and May 8. Find your city below; the dates follow each town's own average last frost.

Sow outdoors, Columbus
Apr 20–May 11
Last sowing for a harvest
Jul 2
Last frost, Columbus
Apr 20

Sow outdoors up to 3 weeks after the last frost. Sow every two weeks until midsummer for flowers through fall.

Sunflowers planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
ColumbusApr 20–May 11
ClevelandApr 8–Apr 29
CincinnatiApr 16–May 7
ToledoApr 20–May 11
AkronApr 24–May 15
DaytonApr 18–May 9
ParmaApr 20–May 11
CantonApr 24–May 15
LorainApr 24–May 15
HamiltonApr 22–May 13
YoungstownMay 1–May 22
SpringfieldApr 25–May 16
KetteringApr 18–May 9
ElyriaApr 22–May 13
MiddletownApr 24–May 15
NewarkApr 29–May 20
Cuyahoga FallsApr 30–May 21
DublinApr 22–May 13
LakewoodApr 20–May 11
BeavercreekApr 18–May 9
EuclidApr 8–Apr 29
MansfieldApr 26–May 17
MentorApr 15–May 6
DelawareApr 19–May 10
StrongsvilleApr 20–May 11
Grove CityApr 23–May 14
FairfieldApr 22–May 13
Huber HeightsApr 16–May 7
Cleveland HeightsApr 8–Apr 29
ReynoldsburgApr 18–May 9
All 87 cities
CitySow outdoorsLast frost
ColumbusApr 20 to May 11Apr 20
ClevelandApr 8 to Apr 29Apr 8
CincinnatiApr 16 to May 7Apr 16
ToledoApr 20 to May 11Apr 20
AkronApr 24 to May 15Apr 24
DaytonApr 18 to May 9Apr 18
ParmaApr 20 to May 11Apr 20
CantonApr 24 to May 15Apr 24
LorainApr 24 to May 15Apr 24
HamiltonApr 22 to May 13Apr 22
YoungstownMay 1 to May 22May 1
SpringfieldApr 25 to May 16Apr 25
KetteringApr 18 to May 9Apr 18
ElyriaApr 22 to May 13Apr 22
MiddletownApr 24 to May 15Apr 24
NewarkApr 29 to May 20Apr 29
Cuyahoga FallsApr 30 to May 21Apr 30
DublinApr 22 to May 13Apr 22
LakewoodApr 20 to May 11Apr 20
BeavercreekApr 18 to May 9Apr 18
EuclidApr 8 to Apr 29Apr 8
MansfieldApr 26 to May 17Apr 26
MentorApr 15 to May 6Apr 15
DelawareApr 19 to May 10Apr 19
StrongsvilleApr 20 to May 11Apr 20
Grove CityApr 23 to May 14Apr 23
FairfieldApr 22 to May 13Apr 22
Huber HeightsApr 16 to May 7Apr 16
Cleveland HeightsApr 8 to Apr 29Apr 8
ReynoldsburgApr 18 to May 9Apr 18
LancasterApr 22 to May 13Apr 22
FindlayApr 22 to May 13Apr 22
HilliardApr 22 to May 13Apr 22
WarrenMay 8 to May 29May 8
WestervilleApr 22 to May 13Apr 22
North RidgevilleApr 22 to May 13Apr 22
GahannaApr 18 to May 9Apr 18
Upper ArlingtonApr 20 to May 11Apr 20
MasonApr 22 to May 13Apr 22
FairbornApr 24 to May 15Apr 24
MarionApr 25 to May 16Apr 25
BrunswickApr 20 to May 11Apr 20
LimaApr 24 to May 15Apr 24
StowApr 30 to May 21Apr 30
WestlakeApr 20 to May 11Apr 20
MassillonApr 24 to May 15Apr 24
North OlmstedApr 20 to May 11Apr 20
Bowling GreenApr 22 to May 13Apr 22
North RoyaltonApr 20 to May 11Apr 20
AustintownMay 8 to May 29May 8
MarysvilleApr 19 to May 10Apr 19
Garfield HeightsApr 8 to Apr 29Apr 8
Shaker HeightsApr 8 to Apr 29Apr 8
KentApr 21 to May 12Apr 21
GreenApr 24 to May 15Apr 24
TroyApr 18 to May 9Apr 18
WoosterApr 30 to May 21Apr 30
Avon LakeApr 22 to May 13Apr 22
XeniaApr 18 to May 9Apr 18
PickeringtonApr 23 to May 14Apr 23
MedinaApr 29 to May 20Apr 29
AvonApr 22 to May 13Apr 22
PerrysburgApr 22 to May 13Apr 22
AthensApr 25 to May 16Apr 25
CentervilleApr 17 to May 8Apr 17
ZanesvilleApr 26 to May 17Apr 26
BarbertonApr 24 to May 15Apr 24
WadsworthApr 29 to May 20Apr 29
RiversideApr 18 to May 9Apr 18
WilloughbyApr 26 to May 17Apr 26
SanduskyApr 10 to May 1Apr 10
SolonApr 8 to Apr 29Apr 8
TrotwoodApr 18 to May 9Apr 18
HudsonApr 30 to May 21Apr 30
Maple HeightsApr 8 to Apr 29Apr 8
OxfordApr 19 to May 10Apr 19
LebanonApr 24 to May 15Apr 24
ChillicotheApr 20 to May 11Apr 20
AllianceApr 24 to May 15Apr 24
Rocky RiverApr 20 to May 11Apr 20
South EuclidApr 8 to Apr 29Apr 8
PiquaApr 18 to May 9Apr 18
PainesvilleApr 15 to May 6Apr 15
MiamisburgApr 17 to May 8Apr 17
Parma HeightsApr 20 to May 11Apr 20
SidneyApr 27 to May 18Apr 27
Forest ParkApr 22 to May 13Apr 22

Questions

When should I plant sunflowers in Ohio?

In Columbus, sow outdoors from April 20 to May 11. Across Ohio the window opens between April 8 and May 8, depending on the local last frost.

How is this date worked out?

Sow outdoors up to 3 weeks after the last frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Ohio

Sunflowers in other states

Frost dates for every city in Ohio