When to plant in Saratoga Springs, UT
USDA Zone 7aSaratoga Springs, Utah frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
Zone 7a means many perennials and even some tender shrubs overwinter in Saratoga Springs, while your frost dates still decide when annuals go out.
Frost probability
UTAH LAKE LEHI · 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 Saratoga Springs’s own odds, recorded at UTAH LAKE LEHI.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Jun 13 | May 20 | Apr 30 | Sep 16 | Sep 28 | Oct 13 |
| 32°F | May 27 | Apr 30 | Apr 14 | Sep 26 | Oct 9 | Oct 25 |
| 28°F | May 2 | Apr 15 | Mar 28 | Oct 5 | Oct 22 | Nov 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 Saratoga Springs, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 16 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.
Saratoga Springs planting FAQ
When is the last spring frost in Saratoga Springs, UT?
Saratoga Springs's average last spring frost falls near April 30 — 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 Saratoga Springs, UT?
Expect Saratoga Springs's first fall frost near October 9 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Saratoga Springs in?
Saratoga Springs 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 Saratoga Springs?
There are roughly 162 frost-free days in Saratoga Springs (a moderate growing season), running from the average last frost around April 30 to the first fall frost near October 9.
When should I plant tomatoes in Saratoga Springs?
In Saratoga Springs, 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 Saratoga Springs
An email when it’s time to start seeds, transplant, and sow — timed to Saratoga Springs’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Eagle Mountain · 9 km
- Lehi · 9 km
- American Fork · 11 km
- Highland · 14 km
- Vineyard · 14 km
- Bluffdale · 15 km
- Pleasant Grove · 15 km
- Lindon · 17 km
Frost dates recorded at UTAH LAKE LEHI, 2 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 Saratoga Springs, UT — Frost Dates & Zone 7a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00428973. Retrieved from https://blissgarden.com/utah/saratoga-springs.