When to plant Lettuce in Utah

In spring, from Jan 15 – Apr 1 in Ivins to May 10 – June 30 in Heber.

In fall, from June 1 – Aug 1 in Brigham City to Aug 25 – Oct 1 in Washington.

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

Leaf lettuce planting dates by place in Utah
PlaceSpringFall
AlpineApr 1 – June 1July 15 – Sept 1
American ForkMar 20 – May 15July 15 – Sept 1
BluffdaleMar 20 – May 15July 15 – Sept 1
BountifulMar 20 – May 15July 15 – Sept 1
Brigham CityApr 1 – June 1June 1 – Aug 1
Cedar CityApr 1 – June 1July 15 – Sept 1
CentervilleMar 20 – May 15July 15 – Sept 1
ClearfieldApr 1 – June 1July 15 – Sept 1
ClintonMar 20 – May 15July 15 – Sept 1
Cottonwood HeightsApr 1 – June 1July 15 – Sept 1
DraperMar 20 – May 15July 15 – Sept 1
Eagle MountainMay 10 – June 30June 1 – Aug 1
FarmingtonMar 20 – May 15July 15 – Sept 1
GrantsvilleApr 1 – June 1July 15 – Sept 1
HeberMay 10 – June 30June 1 – Aug 1
HerrimanMar 20 – May 15July 15 – Sept 1
HighlandApr 1 – June 1July 15 – Sept 1
HolladayApr 1 – June 1July 15 – Sept 1
HurricaneFeb 15 – Apr 15Aug 25 – Oct 1
HyrumApr 15 – June 15June 1 – Aug 1
IvinsJan 15 – Apr 1Aug 25 – Oct 1
KaysvilleMar 20 – May 15July 15 – Sept 1
Kearns metroMar 15 – May 15Aug 15 – Oct 1
LaytonApr 1 – June 1July 15 – Sept 1
LehiApr 1 – June 1July 15 – Sept 1
LindonMar 20 – May 15July 15 – Sept 1
LoganApr 15 – June 15June 1 – Aug 1
Magna metroFeb 15 – Apr 15Aug 15 – Oct 1
MapletonMar 20 – May 15July 15 – Sept 1
MidvaleApr 1 – June 1July 15 – Sept 1
MillcreekMar 20 – May 15July 15 – Sept 1
MurrayApr 1 – June 1July 15 – Sept 1
North LoganApr 1 – June 1July 15 – Sept 1
North OgdenMar 20 – May 15July 15 – Sept 1
North Salt LakeMar 20 – May 15July 15 – Sept 1
OgdenMar 20 – May 15July 15 – Sept 1
OremMar 20 – May 15July 15 – Sept 1
PaysonApr 1 – June 1July 15 – Sept 1
Pleasant GroveMar 20 – May 15July 15 – Sept 1
Pleasant ViewMar 20 – May 15July 15 – Sept 1
ProvoMar 20 – May 15July 15 – Sept 1
RivertonMar 20 – May 15July 15 – Sept 1
RoyMar 20 – May 15July 15 – Sept 1
SalemMar 20 – May 15July 15 – Sept 1
Salt Lake CityFeb 15 – Apr 15Aug 25 – Oct 1
SandyApr 1 – June 1July 15 – Sept 1
SantaquinApr 1 – June 1July 15 – Sept 1
Saratoga SpringsApr 1 – June 1July 15 – Sept 1
SmithfieldApr 15 – June 15June 1 – Aug 1
South JordanMar 20 – May 15July 15 – Sept 1
South OgdenMar 20 – May 15July 15 – Sept 1
South Salt LakeFeb 15 – Apr 15Aug 25 – Oct 1
Spanish ForkMar 20 – May 15July 15 – Sept 1
SpringvilleMar 20 – May 15July 15 – Sept 1
St. GeorgeJan 15 – Apr 1Aug 25 – Oct 1
SyracuseMar 20 – May 15July 15 – Sept 1
TaylorsvilleFeb 15 – Apr 15Aug 25 – Oct 1
TooeleApr 1 – June 1July 15 – Sept 1
TremontonMar 20 – May 15July 15 – Sept 1
VernalApr 15 – June 15July 15 – Sept 1
VineyardMar 20 – May 15July 15 – Sept 1
WashingtonJan 15 – Apr 1Aug 25 – Oct 1
West HavenMar 20 – May 15July 15 – Sept 1
West JordanMar 20 – May 15July 15 – Sept 1
West PointMar 20 – May 15July 15 – Sept 1
West Valley CityMar 15 – May 15Aug 15 – Oct 1
Woods CrossMar 20 – May 15July 15 – Sept 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 leaf lettuce.