When to plant in Show Low, AZ
USDA Zone 7aEverything below — frost dates, hardiness zone, and what to plant when in Show Low, Arizona — is derived from the closest NOAA station with complete climate normals.
Zone 7a means many perennials and even some tender shrubs overwinter in Show Low, while your frost dates still decide when annuals go out.
Frost probability
SHOW LOW AP · 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 Show Low’s own odds, recorded at SHOW LOW AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Jun 2 | May 17 | May 2 | Sep 27 | Oct 7 | Oct 20 |
| 32°F | May 20 | May 5 | Apr 21 | Oct 2 | Oct 15 | Oct 28 |
| 28°F | May 7 | Apr 22 | Apr 7 | Oct 10 | Oct 24 | Nov 8 |
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 Show Low, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 24 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.
Show Low planting FAQ
When is the last spring frost in Show Low, AZ?
Show Low's average last spring frost falls near May 5 — the 50% mark at 32°F in the 1991–2020 normals. Hold tender transplants until the risk has passed, then plant out.
When is the first fall frost in Show Low, AZ?
The first fall frost in Show Low typically arrives around October 15 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Show Low in?
Show Low is in USDA hardiness zone 7a. In zone 7a, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Show Low?
There are roughly 163 frost-free days in Show Low (a moderate growing season), running from the average last frost around May 5 to the first fall frost near October 15.
When should I plant tomatoes in Show Low?
In Show Low, start tomato seeds indoors around March 10–March 24, then transplant seedlings outdoors around May 12 once the danger of frost has passed.
Never miss a window in Show Low
An email when it’s time to start seeds, transplant, and sow — timed to Show Low’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Payson · 118 km
- Safford · 162 km
- Gold Canyon · 162 km
- Apache Junction · 170 km
- Camp Verde · 170 km
- Fountain Hills · 173 km
- Flagstaff · 177 km
- Scottsdale · 180 km
Frost dates recorded at SHOW LOW AP, 3 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 Show Low, AZ — Frost Dates & Zone 7a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00027855. Retrieved from https://blissgarden.com/arizona/show-low.