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Frost dates for Mesa, Arizona

In a typical year, Mesa’s last spring frost lands around Feb 13 and the first fall frost around Dec 5, a growing season of about 295 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 9b.

Last spring frost and first fall frost odds for Mesa, Arizona
OddsLast spring frostFirst fall frost
10 percentJan 12Nov 18
50 percentFeb 13Dec 5
90 percentMar 9Dec 24

A 10 percent year is an early year, a 90 percent year a late one. Frost-sensitive planting usually waits for the 90 percent side of the last-frost band.

Soil in Mesa is typically around 88°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.

Plantable now in Mesa

Timing comes from the same temperature engine the app uses, run against Mesa’s normals for today.

See the full what-to-plant lookup

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