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When to Plant Garlic in Arizona

Garlic is a pungent allium planted in fall and harvested the following summer. Hardneck varieties produce edible flower stalks (scapes) and are more cold-hardy.

Arizona spans USDA hardiness zones 5b, 6a, 7a, 7b, 8a, 8b, 9a, 9b (with planting data available), so planting dates vary by your location within the state. Click your zone below for the most accurate dates.

Find Your County

Click your county for exact Garlic planting dates based on your local frost dates.

Hover over a county to see details. Click to view planting guide.

Garlic Planting Calendar for Arizona

Zone 5b ~178 day growing season · Full guide →

Last frost: April 18 · First frost: October 13 · 178 day season

Activity When Date Range
Fall Sowing September 1 Sep 1 – Sep 15
Zone 6a ~193 day growing season · Full guide →

Last frost: April 10 · First frost: October 20 · 193 day season

Activity When Date Range
Fall Sowing September 8 Sep 8 – Sep 22
Zone 7a ~221 day growing season · Full guide →

Last frost: March 25 · First frost: November 1 · 221 day season

Activity When Date Range
Fall Sowing September 20 Sep 20 – Oct 4
Zone 7b ~235 day growing season · Full guide →

Last frost: March 18 · First frost: November 8 · 235 day season

Activity When Date Range
Fall Sowing September 27 Sep 27 – Oct 11
Zone 8a ~255 day growing season · Full guide →

Last frost: March 8 · First frost: November 18 · 255 day season

Activity When Date Range
Fall Sowing October 7 Oct 7 – Oct 21
Zone 8b ~276 day growing season · Full guide →

Last frost: February 25 · First frost: November 28 · 276 day season

Activity When Date Range
Fall Sowing October 17 Oct 17 – Oct 31
Zone 9a ~303 day growing season · Full guide →

Last frost: February 10 · First frost: December 10 · 303 day season

Activity When Date Range
Fall Sowing October 29 Oct 29 – Nov 12
Zone 9b ~329 day growing season · Full guide →

Last frost: January 25 · First frost: December 20 · 329 day season

Activity When Date Range
Fall Sowing November 8 Nov 8 – Nov 22

Growing Tips for Arizona

Plant individual cloves pointed end up in fall, 6 weeks before ground freezes. Mulch heavily with straw. Harvest when lower leaves begin to brown but 5-6 green leaves remain.

Frequently Asked Questions

When should I plant Garlic in Arizona?

Planting dates for Garlic in Arizona depend on your USDA zone. Arizona spans zones 5b, 6a, 7a, 7b, 8a, 8b, 9a, 9b. Check the planting calendar above for your specific zone's frost dates and planting windows.

What zone is Arizona for planting?

Arizona contains USDA hardiness zones 5b, 6a, 7a, 7b, 8a, 8b, 9a, 9b. Your specific zone depends on your location within the state — northern and higher-elevation areas are in colder zones, while southern and coastal areas are warmer.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals, University Cooperative Extension planting guides. Last updated: April 2026.