When to plant Tomatoes in Kansas

In spring, from Apr 10 – June 1 in Kansas City to May 10 – June 15 in Garden City.

In fall, June 1 – July 1.

USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.

Tomatoes planting dates by place in Kansas
PlaceSpringFall
AndoverApr 20 – June 1June 1 – July 1
Arkansas CityApr 20 – June 1June 1 – July 1
AtchisonApr 20 – June 1June 1 – July 1
Bel AireApr 20 – June 1June 1 – July 1
DerbyApr 20 – June 1June 1 – July 1
Dodge CityMay 5 – June 10June 1 – July 1
El DoradoApr 20 – June 1June 1 – July 1
EmporiaApr 20 – June 1June 1 – July 1
Garden CityMay 10 – June 15June 1 – July 1
GardnerApr 20 – June 1June 1 – July 1
Great BendMay 5 – June 10June 1 – 20
HaysMay 5 – June 10June 1 – July 1
HaysvilleApr 20 – June 1June 1 – July 1
HutchinsonMay 5 – June 10June 1 – July 1
Junction CityApr 20 – June 1June 1 – July 1
Kansas CityApr 10 – June 1June 1 – July 1
LansingMay 5 – June 10June 1 – July 1
LawrenceApr 20 – June 1June 1 – July 1
LeavenworthApr 20 – June 1June 1 – July 1
LeawoodApr 20 – June 1June 1 – July 1
LenexaApr 20 – June 1June 1 – July 1
LiberalMay 5 – June 10June 1 – July 1
ManhattanMay 5 – June 10June 1 – July 1
McPhersonMay 5 – June 10June 1 – July 1
MerriamApr 10 – June 1June 1 – July 1
MissionApr 10 – June 1June 1 – July 1
NewtonApr 20 – June 1June 1 – July 1
OlatheApr 20 – June 1June 1 – July 1
OttawaMay 5 – June 10June 1 – July 1
Overland ParkApr 20 – June 1June 1 – July 1
PittsburgApr 20 – June 1June 1 – July 1
Prairie VillageApr 10 – June 1June 1 – July 1
SalinaMay 5 – June 10June 1 – July 1
ShawneeMay 5 – June 10June 1 – July 1
Spring HillApr 20 – June 1June 1 – July 1
TopekaMay 5 – June 10June 1 – July 1
WichitaApr 20 – June 1June 1 – July 1
WinfieldMay 5 – June 10June 1 – July 1

Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. “—” means the place's frost date is outside the table. The full USDA table for tomatoes.