When to plant in Safford, AZ
USDA Zone 8bSafford, Arizona frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
In zone 8b, Safford supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
The average last spring frost in Safford is now 5 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
SAFFORD AG CTR · 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 Safford’s own odds, recorded at SAFFORD AG CTR.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 2 | Apr 12 | Mar 25 | Oct 14 | Oct 30 | Nov 13 |
| 32°F | Apr 14 | Mar 25 | Mar 5 | Oct 23 | Nov 9 | Nov 25 |
| 28°F | Mar 23 | Mar 3 | Feb 8 | Nov 3 | Nov 22 | Dec 6 |
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 Safford, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 33 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.
Safford planting FAQ
When is the last spring frost in Safford, AZ?
Safford's average last spring frost falls near March 25 — 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 Safford, AZ?
In Safford, the first 32°F freeze of fall lands around November 9 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Safford in?
Safford is in USDA hardiness zone 8b. In zone 8b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Safford?
Safford has about 229 frost-free days — a long growing season — between the average last spring frost (March 25) and first fall frost (November 9).
When should I plant tomatoes in Safford?
For Safford, sow tomatoes indoors about January 28–February 11 and move the seedlings out around April 1, after the last spring frost.
Never miss a window in Safford
An email when it’s time to start seeds, transplant, and sow — timed to Safford’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Saddlebrooke · 114 km
- Tanque Verde · 116 km
- Catalina Foothills · 126 km
- Oro Valley · 128 km
- Vail · 130 km
- Tucson · 134 km
- Casas Adobes · 135 km
- Flowing Wells · 137 km
Frost dates recorded at SAFFORD AG CTR, 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 Safford, AZ — Frost Dates & Zone 8b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00027390. Retrieved from https://blissgarden.com/arizona/safford.