When to plant in Prescott Valley, AZ
USDA Zone 7bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Prescott Valley, Arizona — all computed from Prescott Valley's nearest NOAA weather station.
Zone 7b means many perennials and even some tender shrubs overwinter in Prescott Valley, while your frost dates still decide when annuals go out.
Frost probability
PRESCOTT · 1991–2020The date the last spring and first fall frost occur, by threshold and probability. A 90% date is later in spring — and earlier in fall — than a 10% date; the 50% · 32°F row is what most gardeners plan around. These are Prescott Valley’s own odds, recorded at PRESCOTT.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 30 | May 12 | Apr 28 | Sep 29 | Oct 10 | Oct 23 |
| 32°F | May 15 | Apr 30 | Apr 14 | Oct 7 | Oct 20 | Nov 4 |
| 28°F | May 2 | Apr 13 | Mar 28 | Oct 16 | Oct 31 | Nov 15 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Full-year planting calendar
Each bar is the exact window to take a planting action in Prescott Valley, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 22 km · complete 32°F normalsWhen stations disagree by more than a few days, that spread is real microclimate variation — elevation, water, urban heat. Judge which station best matches your own yard.
Prescott Valley planting FAQ
When is the last spring frost in Prescott Valley, AZ?
Plan for the last spring frost in Prescott Valley around April 30 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.
When is the first fall frost in Prescott Valley, AZ?
In Prescott Valley, the first 32°F freeze of fall lands around October 20 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Prescott Valley in?
Prescott Valley is in USDA hardiness zone 7b. In zone 7b, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Prescott Valley?
There are roughly 173 frost-free days in Prescott Valley (a moderate growing season), running from the average last frost around April 30 to the first fall frost near October 20.
When should I plant tomatoes in Prescott Valley?
In Prescott Valley, start tomato seeds indoors around March 5–March 19, then transplant seedlings outdoors around May 7 once the danger of frost has passed.
Never miss a window in Prescott Valley
An email when it’s time to start seeds, transplant, and sow — timed to Prescott Valley’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Prescott · 12 km
- Chino Valley · 18 km
- Verde Village · 32 km
- Cottonwood · 35 km
- Camp Verde · 42 km
- New River · 82 km
- Anthem · 85 km
- Peoria · 90 km
Frost dates recorded at PRESCOTT, 11 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.
BlissGarden. "When to Plant in Prescott Valley, AZ — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00026796. Retrieved from https://blissgarden.com/arizona/prescott-valley.