FrostCal

When to Plant Sunflowers: Planting Dates by State

The right time to plant sunflowers depends on your local frost dates. Direct sow 1-3 weeks after last frost once soil has warmed; taprooted, resents transplanting.

Days to maturity 70–100 days

Sunflowers Planting Windows by State

StatePlanting window across the state
AlabamaSow outdoors Feb 28 (Mobile) to Apr 13 (Jacksonville)
AlaskaSow outdoors Apr 11 (Ketchikan) to Jun 18 (Kalifornsky)
ArizonaSow outdoors Jan 11 (Bullhead City) to Jun 11 (Flagstaff)
ArkansasSow outdoors Mar 20 (Texarkana) to Apr 19 (Centerton)
CaliforniaSow outdoors Jan 5 (San Mateo) to Jun 3 (Big Bear City)
ColoradoSow outdoors Apr 21 (Grand Junction) to Jun 28 (Edwards)
ConnecticutSow outdoors Apr 12 (Bridgeport) to May 15 (Torrington)
DelawareSow outdoors Apr 6 (Claymont) to Apr 26 (Hockessin)
District of ColumbiaSow outdoors Mar 31 (Washington) to Apr 16 (Chevy Chase)
FloridaSow outdoors Jan 22 (Sarasota) to Mar 28 (Crestview)
GeorgiaSow outdoors Feb 9 (St. Marys) to Apr 18 (Cartersville)
IdahoSow outdoors Apr 13 (Lewiston) to May 24 (Eagle)
IllinoisSow outdoors Apr 8 (Granite City) to May 8 (Roscoe)
IndianaSow outdoors Apr 5 (Evansville) to May 9 (Auburn)
IowaSow outdoors Apr 17 (Keokuk) to May 10 (Grinnell)
KansasSow outdoors Apr 11 (Kansas City) to May 5 (Garden City)
KentuckySow outdoors Apr 7 (Louisville) to May 8 (Shelbyville)
LouisianaSow outdoors Jan 31 (Metairie) to Mar 24 (Minden)
MaineSow outdoors May 2 (Lewiston) to May 23 (Sanford)
MarylandSow outdoors Mar 29 (California) to May 1 (Westminster)
MassachusettsSow outdoors Apr 11 (Boston) to May 17 (North Adams)
MichiganSow outdoors Apr 26 (Port Huron) to May 26 (Cadillac)
MinnesotaSow outdoors Apr 28 (Winona) to Jun 12 (Hibbing)
MississippiSow outdoors Feb 19 (Biloxi) to Apr 10 (Oxford)
MissouriSow outdoors Apr 2 (Sikeston) to Apr 28 (Kirksville)
MontanaSow outdoors May 12 (Laurel) to Jun 20 (Butte)
NebraskaSow outdoors Apr 22 (Elkhorn) to May 18 (Alliance)
NevadaSow outdoors Jan 27 (Henderson) to Jun 13 (Spring Creek)
New HampshireSow outdoors Apr 28 (Salem) to May 21 (Berlin)
New JerseySow outdoors Apr 2 (Atlantic City) to May 7 (Manville)
New MexicoSow outdoors Mar 7 (Chaparral) to May 31 (Las Vegas)
New YorkSow outdoors Apr 2 (Elmhurst) to May 24 (Corning)
North CarolinaSow outdoors Mar 25 (Morehead City) to May 9 (Boone)
North DakotaSow outdoors May 11 (Wahpeton) to May 28 (Beulah)
OhioSow outdoors Apr 15 (Cleveland) to May 15 (Girard)
OklahomaSow outdoors Mar 22 (Ardmore) to Apr 25 (Guymon)
OregonSow outdoors Feb 18 (Beaverton) to Jun 16 (Altamont)
PennsylvaniaSow outdoors Apr 6 (Philadelphia) to May 22 (Hermitage)
Rhode IslandSow outdoors Apr 14 (Newport) to May 8 (Narragansett)
South CarolinaSow outdoors Feb 11 (Charleston) to Apr 27 (Gaffney)
South DakotaSow outdoors May 3 (Tea) to May 19 (Ellsworth Air Force Base)
TennesseeSow outdoors Mar 23 (New South Memphis) to Apr 28 (Bristol)
TexasSow outdoors Jan 15 (Edinburg) to Apr 28 (Dumas)
UtahSow outdoors Mar 21 (Saint George) to Jun 11 (Heber City)
VermontSow outdoors May 6 (Burlington) to May 27 (Morristown)
VirginiaSow outdoors Mar 23 (Newport News) to May 3 (Radford)
WashingtonSow outdoors Mar 8 (Port Townsend) to Jun 6 (Cheney)
West VirginiaSow outdoors Apr 19 (Huntington) to May 13 (Beckley)
WisconsinSow outdoors Apr 26 (Kenosha) to May 18 (Merrill)
WyomingSow outdoors May 11 (Worland) to Jun 19 (Evanston)

Pick a state for city-by-city dates. For the most precise dates, look up your ZIP code.

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