When to plant in Provo, UT
USDA Zone 7aEverything below — frost dates, hardiness zone, and what to plant when in Provo, Utah — is derived from the closest NOAA station with complete climate normals.
In zone 7a, Provo supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
The average last spring frost in Provo is now 5 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
PROVO BYU · 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 Provo’s own odds, recorded at PROVO BYU.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 21 | May 3 | Apr 19 | Sep 28 | Oct 10 | Oct 22 |
| 32°F | May 5 | Apr 18 | Mar 31 | Oct 7 | Oct 21 | Nov 4 |
| 28°F | Apr 17 | Mar 31 | Mar 8 | Oct 19 | Nov 1 | 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 Provo, 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.
Provo planting FAQ
When is the last spring frost in Provo, UT?
Provo's average last spring frost falls near April 18 — 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 Provo, UT?
In Provo, the first 32°F freeze of fall lands around October 21 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Provo in?
Provo 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 Provo?
Provo has about 186 frost-free days — a moderate growing season — between the average last spring frost (April 18) and first fall frost (October 21).
When should I plant tomatoes in Provo?
For Provo, sow tomatoes indoors about February 21–March 7 and move the seedlings out around April 25, after the last spring frost.
Never miss a window in Provo
An email when it’s time to start seeds, transplant, and sow — timed to Provo’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Orem · 7 km
- Springville · 9 km
- Vineyard · 11 km
- Lindon · 12 km
- Spanish Fork · 15 km
- Mapleton · 15 km
- Pleasant Grove · 16 km
- American Fork · 19 km
Frost dates recorded at PROVO BYU, 0 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 Provo, UT — Frost Dates & Zone 7a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00427064. Retrieved from https://blissgarden.com/utah/provo.