When to plant in Pleasant Grove, UT
USDA Zone 7aHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Pleasant Grove, Utah — all computed from Pleasant Grove's nearest NOAA weather station.
Zone 7a means many perennials and even some tender shrubs overwinter in Pleasant Grove, while your frost dates still decide when annuals go out.
The average last spring frost in Pleasant Grove is now 12 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
PLEASANT GROVE · 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 Pleasant Grove’s own odds, recorded at PLEASANT GROVE.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 23 | May 3 | Apr 19 | Sep 29 | Oct 13 | Oct 27 |
| 32°F | May 7 | Apr 17 | Mar 30 | Oct 10 | Oct 25 | Nov 8 |
| 28°F | Apr 17 | Mar 30 | Mar 8 | Oct 21 | Nov 5 | Nov 19 |
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 Pleasant Grove, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 11 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.
Pleasant Grove planting FAQ
When is the last spring frost in Pleasant Grove, UT?
Pleasant Grove's average last spring frost falls near April 17 — 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 Pleasant Grove, UT?
Expect Pleasant Grove's first fall frost near October 25 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Pleasant Grove in?
Pleasant Grove 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 Pleasant Grove?
There are roughly 191 frost-free days in Pleasant Grove (a moderate growing season), running from the average last frost around April 17 to the first fall frost near October 25.
When should I plant tomatoes in Pleasant Grove?
In Pleasant Grove, start tomato seeds indoors around February 20–March 6, then transplant seedlings outdoors around April 24 once the danger of frost has passed.
Never miss a window in Pleasant Grove
An email when it’s time to start seeds, transplant, and sow — timed to Pleasant Grove’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Lindon · 4 km
- American Fork · 5 km
- Vineyard · 7 km
- Highland · 8 km
- Orem · 9 km
- Alpine · 11 km
- Lehi · 12 km
- Saratoga Springs · 15 km
Frost dates recorded at PLEASANT GROVE, 1 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 Pleasant Grove, UT — Frost Dates & Zone 7a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00426919. Retrieved from https://blissgarden.com/utah/pleasant-grove.