USDA Zone 10a — Garden & Frost Dates for Phoenix, AZ (85001)
This is the local garden report for ZIP code 85001 (Phoenix, AZ). It pairs the official USDA 2023 hardiness zone with NOAA-based frost dates so you can plan seeds, transplants, and fall crops with real numbers for your neighborhood.
What does zone 10a mean for Phoenix?
Zone 10a is the USDA Plant Hardiness Zone for ZIP 85001, based on the 30-year (1991-2020) average annual extreme minimum winter temperature. Perennial plants labeled for zone 10a or lower should survive a typical winter here. The last spring frost averages 02-10 and the first fall frost averages 12-10, giving roughly 303 frost-free growing days — the window that most vegetables need to go from seed to harvest.
Start your Phoenix planting calendar
This calendar is pre-loaded with the exact frost dates for ZIP 85001 (Phoenix, AZ) — more precise than a state-wide average. Pick a crop and print the plan.
In this ZIP (typical zone 4–10), last frost ≈ Feb 10, first frost ≈ Dec 10 (303-day season), your Tomato plan:
Month-by-month (this ZIP, 2026)
| Month | Action |
|---|---|
| Jan | — |
| Feb | Sow · Transplant |
| Mar | — |
| Apr | — |
| May | Harvest |
| Jun | — |
| Jul | — |
| Aug | — |
| Sep | — |
| Oct | — |
| Nov | — |
| Dec | Start indoors |
Start indoors 6 weeks before last frost; transplant after soil warms. Zones 3–13 suitable. Dates are typical; confirm with your county extension and watch the 10-day forecast.
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