When to plant in Orem, UT
USDA Zone 7aOrem, Utah frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
In zone 7a, Orem supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
OREM TRTMT PLT · 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 Orem’s own odds, recorded at OREM TRTMT PLT.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 22 | May 2 | Apr 19 | Sep 28 | Oct 8 | Oct 22 |
| 32°F | May 9 | Apr 19 | Apr 2 | Oct 5 | Oct 19 | Nov 3 |
| 28°F | Apr 20 | Apr 1 | Mar 13 | Oct 16 | Oct 31 | Nov 15 |
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 Orem, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 8 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.
Orem planting FAQ
When is the last spring frost in Orem, UT?
Orem's average last spring frost falls near April 19 — 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 Orem, UT?
Expect Orem's first fall frost near October 19 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Orem in?
Orem 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 Orem?
Orem has about 183 frost-free days — a moderate growing season — between the average last spring frost (April 19) and first fall frost (October 19).
When should I plant tomatoes in Orem?
For Orem, sow tomatoes indoors about February 22–March 8 and move the seedlings out around April 26, after the last spring frost.
Never miss a window in Orem
An email when it’s time to start seeds, transplant, and sow — timed to Orem’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Vineyard · 5 km
- Lindon · 5 km
- Provo · 7 km
- Pleasant Grove · 9 km
- American Fork · 12 km
- Springville · 16 km
- Highland · 17 km
- Saratoga Springs · 19 km
Frost dates recorded at OREM TRTMT PLT, 4 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 Orem, UT — Frost Dates & Zone 7a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00426538. Retrieved from https://blissgarden.com/utah/orem.