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Arizona Planting Calendar

Arizona spans USDA hardiness zones 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b, 10a, 10b. Planting dates vary significantly across the state depending on your zone. Find your county on the map below for exact frost dates and planting windows.

Find Your County

Click any county to see your local planting calendar with exact frost dates and planting windows.

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

Zones in Arizona

Growing Season Comparison

Frost Dates & Growing Season by County

View all 15 Arizona counties with frost dates
County Zone Last Frost First Frost Growing Days
Apache County 5b May 20 Oct 10 143
Cochise County 8a Mar 30 Nov 9 224
Coconino County 5b May 28 Sep 27 122
Gila County 7b Feb 13 Dec 5 296
Graham County 7b Apr 6 Nov 5 213
Greenlee County 7a Apr 22 Oct 22 183
La Paz County 9b Feb 2 Dec 6 308
Maricopa County 9b Jan 31 Dec 6 310
Mohave County 8b Apr 5 Nov 8 217
Navajo County 6a May 2 Oct 16 167
Pima County 9a Apr 1 Nov 9 222
Pinal County 9a Feb 23 Nov 27 278
Santa Cruz County 8b Mar 30 Nov 7 222
Yavapai County 7b Apr 9 Nov 5 210
Yuma County 10a Feb 10 Dec 1 295

🥬 Vegetables

Browse all 116 vegetables you can grow in Arizona

🍓 Fruits

Browse all 34 fruits you can grow in Arizona

🌿 Herbs

Browse all 42 herbs you can grow in Arizona

Monthly Planting Guide for Arizona

Level Up Your Garden

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