When to plant in Gold Canyon, AZ
USDA Zone 9bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Gold Canyon, Arizona — all computed from Gold Canyon's nearest NOAA weather station.
A generous ~302-day season lets Gold Canyon gardeners direct-sow more and still ripen long-maturity crops like melons and winter squash. Zone 9b is warm enough that Gold Canyon can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.
Frost probability
APACHE JUNCTION 5 NE · 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 Gold Canyon’s own odds, recorded at APACHE JUNCTION 5 NE.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 1 | Mar 6 | Feb 7 | Nov 7 | Nov 28 | Dec 15 |
| 32°F | Mar 7 | Feb 11 | Jan 5 | Nov 19 | Dec 10 | Jan 1 |
| 28°F | Feb 18 | Jan 13 | Dec 12 | Nov 28 | Dec 22 | Feb 1 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Nothing new to sow or transplant outdoors in the next few weeks — a seasonal lull. Check the full-year calendar below for the next window.
Full-year planting calendar
Each bar is the exact window to take a planting action in Gold Canyon, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 21 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.
Gold Canyon planting FAQ
When is the last spring frost in Gold Canyon, AZ?
Gold Canyon's average last spring frost falls near February 11 — 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 Gold Canyon, AZ?
Expect Gold Canyon's first fall frost near December 10 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Gold Canyon in?
Gold Canyon is in USDA hardiness zone 9b. In zone 9b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Gold Canyon?
There are roughly 302 frost-free days in Gold Canyon (a long growing season), running from the average last frost around February 11 to the first fall frost near December 10.
When should I plant tomatoes in Gold Canyon?
In Gold Canyon, start tomato seeds indoors around December 17–December 31, then transplant seedlings outdoors around February 18 once the danger of frost has passed.
Never miss a window in Gold Canyon
An email when it’s time to start seeds, transplant, and sow — timed to Gold Canyon’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Apache Junction · 11 km
- Queen Creek · 22 km
- San Tan Valley · 24 km
- Mesa · 27 km
- Gilbert · 30 km
- Florence · 33 km
- Fountain Hills · 40 km
- Chandler · 41 km
Frost dates recorded at APACHE JUNCTION 5 NE, 12 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 Gold Canyon, AZ — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00020288. Retrieved from https://blissgarden.com/arizona/gold-canyon.