Last frost date in Prescott Valley, Arizona

April 30

Average last frost in spring. In an early year (1 in 10) it's over by April 14; in a late year (1 in 10) it comes after May 15.

October 20

Average first frost in fall. 1 year in 10 it comes by October 7.

Source: NOAA U.S. Climate Normals 1991–2020, station Prescott (USC00026796), 6.7 miles from Prescott Valley, elevation 5,205 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.

What to plant now

Frost dates for Prescott Valley, Arizona
Early yearAverageLate year
Last frost in springApr 14Apr 30May 15
First frost in fallOct 7Oct 20Nov 4

An early or late year is one in 10: 1 year in 10 the frost comes before the early date, and 1 year in 10 after the late date.

Frost-free days in an average year: 172

Planting calendar for Prescott Valley

Fall planting

USDA dates for places whose average first freeze is about October 20 (Prescott Valley: October 20).

USDA lists chervil and chives, garlic, horseradish, leeks, onion plants, onion seed, onion sets, parsnips, garden peas, shallots as generally spring-planted here.

Spring planting

USDA dates for places whose average last freeze is about April 30 (Prescott Valley: April 30).

USDA lists chinese cabbage as generally fall-planted here.

Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5 (earliest safe spring and latest safe fall dates), applied to this place's NOAA frost dates. “Plants” means setting out transplants, not sowing seed. How we match the table.

Nearby in Arizona

All 44 places in Arizona