When to plant in Sandy, UT
USDA Zone 7bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Sandy, Utah — all computed from Sandy's nearest NOAA weather station.
In zone 7b, Sandy supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
COTTONWOOD WEIR · 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 Sandy’s own odds, recorded at COTTONWOOD WEIR.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Jun 9 | May 13 | Apr 25 | Sep 27 | Oct 11 | Oct 27 |
| 32°F | May 30 | Apr 29 | Apr 10 | Oct 6 | Oct 22 | Nov 7 |
| 28°F | May 13 | Apr 12 | Mar 21 | Oct 17 | Nov 1 | Nov 18 |
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 Sandy, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 14 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.
Sandy planting FAQ
When is the last spring frost in Sandy, UT?
Plan for the last spring frost in Sandy around April 29 (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 Sandy, UT?
The first fall frost in Sandy typically arrives around October 22 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Sandy in?
Sandy 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 Sandy?
Sandy has about 176 frost-free days — a moderate growing season — between the average last spring frost (April 29) and first fall frost (October 22).
When should I plant tomatoes in Sandy?
For Sandy, sow tomatoes indoors about March 4–March 18 and move the seedlings out around May 6, after the last spring frost.
Never miss a window in Sandy
An email when it’s time to start seeds, transplant, and sow — timed to Sandy’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Cottonwood Heights · 6 km
- Midvale · 6 km
- Draper · 8 km
- Murray · 9 km
- Holladay · 10 km
- Riverton · 11 km
- South Jordan · 12 km
- Taylorsville · 13 km
Frost dates recorded at COTTONWOOD WEIR, 8 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 Sandy, UT — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00421759. Retrieved from https://blissgarden.com/utah/sandy.