When to plant Garlic in Arizona

In spring, from Feb 1 – Mar 1 in Douglas to May 1 – 30 in Flagstaff.

In fall, from Aug 1 – Oct 1 in Cottonwood to Sept 15 – Nov 15 in Yuma.

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 Arizona
PlaceSpringFall
Apache JunctionFall-plantedSept 15 – Nov 15Now
Avondale—Sept 15 – Nov 15Now
Buckeye—Sept 15 – Nov 15Now
Bullhead City—Sept 15 – Nov 15Now
Camp VerdeMar 10 – Apr 1Spring-planted
Casa GrandeFall-plantedSept 15 – Nov 15Now
ChandlerFall-plantedSept 1 – Nov 15Now
Chino ValleyMar 15 – Apr 15Spring-planted
CoolidgeFall-plantedSept 1 – Nov 15Now
CottonwoodFeb 10 – Mar 10Aug 1 – Oct 1
DouglasFeb 1 – Mar 1Aug 1 – Oct 1
El MirageFall-plantedSept 15 – Nov 15Now
EloyFall-plantedSept 1 – Nov 15Now
FlagstaffMay 1 – 30Spring-planted
FlorenceFall-plantedSept 15 – Nov 15Now
Fountain Hills—Sept 15 – Nov 15Now
GilbertFall-plantedSept 15 – Nov 15Now
GlendaleFall-plantedSept 15 – Nov 15Now
Goodyear—Sept 15 – Nov 15Now
KingmanFeb 10 – Mar 10Aug 1 – Oct 1
Lake Havasu City—Sept 15 – Nov 15Now
MaranaFeb 10 – Mar 10Aug 1 – Oct 1
MaricopaFall-plantedAug 15 – Oct 1
MesaFall-plantedSept 15 – Nov 15Now
NogalesFeb 1 – Mar 1Aug 15 – Oct 1
Oro ValleyFeb 10 – Mar 10Aug 1 – Oct 1
Paradise Valley—Sept 15 – Nov 15Now
PaysonMar 15 – Apr 15Spring-planted
PeoriaFall-plantedSept 15 – Nov 15Now
Phoenix—Sept 15 – Nov 15Now
PrescottMar 15 – Apr 15Spring-planted
Prescott ValleyMar 15 – Apr 15Spring-planted
Queen CreekFall-plantedSept 15 – Nov 15Now
SaffordFeb 1 – Mar 1Aug 1 – Oct 1
SahuaritaFall-plantedSept 1 – Nov 15Now
San Luis—Sept 15 – Nov 15Now
ScottsdaleFall-plantedSept 15 – Nov 15Now
Show LowMar 15 – Apr 15Spring-planted
Sierra VistaFeb 20 – Mar 20Aug 1 – Oct 1
Somerton—Sept 15 – Nov 15Now
SurpriseFall-plantedSept 15 – Nov 15Now
TempeFall-plantedSept 1 – Nov 15Now
TucsonFall-plantedSept 15 – Nov 15Now
Yuma—Sept 15 – Nov 15Now

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.