When to plant Garlic in Utah

In spring, from Feb 10 – Mar 10 in Hurricane to May 1 – 30 in Heber.

In fall, Aug 1 – Oct 1.

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

Garlic planting dates by place in Utah
PlaceSpringFall
AlpineMar 15 – Apr 15Spring-planted
American ForkMar 10 – Apr 1Spring-planted
BluffdaleMar 10 – Apr 1Spring-planted
BountifulMar 10 – Apr 1Spring-planted
Brigham CityMar 15 – Apr 15Spring-planted
Cedar CityMar 15 – Apr 15Spring-planted
CentervilleMar 10 – Apr 1Spring-planted
ClearfieldMar 15 – Apr 15Spring-planted
ClintonMar 10 – Apr 1Spring-planted
Cottonwood HeightsMar 15 – Apr 15Spring-planted
DraperMar 10 – Apr 1Spring-planted
Eagle MountainMay 1 – 30Spring-planted
FarmingtonMar 10 – Apr 1Spring-planted
GrantsvilleMar 15 – Apr 15Spring-planted
HeberMay 1 – 30Spring-planted
HerrimanMar 10 – Apr 1Spring-planted
HighlandMar 15 – Apr 15Spring-planted
HolladayMar 15 – Apr 15Spring-planted
HurricaneFeb 10 – Mar 10Aug 1 – Oct 1
HyrumApr 1 – May 1Spring-planted
IvinsFall-plantedAug 1 – Oct 1
KaysvilleMar 10 – Apr 1Spring-planted
Kearns metroFeb 20 – Mar 20Spring-planted
LaytonMar 15 – Apr 15Spring-planted
LehiMar 15 – Apr 15Spring-planted
LindonMar 10 – Apr 1Spring-planted
LoganApr 1 – May 1Spring-planted
Magna metroFeb 10 – Mar 10Spring-planted
MapletonMar 10 – Apr 1Spring-planted
MidvaleMar 15 – Apr 15Spring-planted
MillcreekMar 10 – Apr 1Spring-planted
MurrayMar 15 – Apr 15Spring-planted
North LoganMar 15 – Apr 15Spring-planted
North OgdenMar 10 – Apr 1Spring-planted
North Salt LakeMar 10 – Apr 1Spring-planted
OgdenMar 10 – Apr 1Spring-planted
OremMar 10 – Apr 1Spring-planted
PaysonMar 15 – Apr 15Spring-planted
Pleasant GroveMar 10 – Apr 1Spring-planted
Pleasant ViewMar 10 – Apr 1Spring-planted
ProvoMar 10 – Apr 1Spring-planted
RivertonMar 10 – Apr 1Spring-planted
RoyMar 10 – Apr 1Spring-planted
SalemMar 10 – Apr 1Spring-planted
Salt Lake CityFeb 10 – Mar 10Aug 1 – Oct 1
SandyMar 15 – Apr 15Spring-planted
SantaquinMar 15 – Apr 15Spring-planted
Saratoga SpringsMar 15 – Apr 15Spring-planted
SmithfieldApr 1 – May 1Spring-planted
South JordanMar 10 – Apr 1Spring-planted
South OgdenMar 10 – Apr 1Spring-planted
South Salt LakeFeb 10 – Mar 10Aug 1 – Oct 1
Spanish ForkMar 10 – Apr 1Spring-planted
SpringvilleMar 10 – Apr 1Spring-planted
St. GeorgeFall-plantedAug 1 – Oct 1
SyracuseMar 10 – Apr 1Spring-planted
TaylorsvilleFeb 10 – Mar 10Aug 1 – Oct 1
TooeleMar 15 – Apr 15Spring-planted
TremontonMar 10 – Apr 1Spring-planted
VernalApr 1 – May 1Spring-planted
VineyardMar 10 – Apr 1Spring-planted
WashingtonFall-plantedAug 1 – Oct 1
West HavenMar 10 – Apr 1Spring-planted
West JordanMar 10 – Apr 1Spring-planted
West PointMar 10 – Apr 1Spring-planted
West Valley CityFeb 20 – Mar 20Spring-planted
Woods CrossMar 10 – Apr 1Spring-planted

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 garlic.