Frost dates for 84602 — Provo, UT
How Provo compares
- In 8 years out of 10, the last spring frost in Provo falls between March 30 and May 7, a 38-day window. The first fall frost falls between October 10 and November 8.
- The median last frost is 23 days earlier than the Utah median of May 10.
- Its 191-day growing season is longer than 90% of the 250 Utah places with a regular frost season (state median 148 days).
- The last frost is typical for zone 7a, where the median is Apr 16.
- The weather station records an average of 123 nights a year at or below 32°F.
- Compared with Salt Lake City, UT, 42 km away, the last frost here is 8 days earlier than there and the growing season is 15 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 30 |
| 50% (median) | April 17 |
| 10% (safe for tender plants) | May 7 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 10 |
| 50% (median) | October 25 |
| 90% (late) | November 8 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for Provo, UT
Frost dates for 84602 — Provo, UT — last frost Apr 17, first frost Oct 25, zone 7a. whenisthelastfrost.com
When to plant vegetables in Provo, UT
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 23 – Feb 6 | Mar 20 – Apr 3 | — | — |
| Peppers | Feb 6 – Feb 20 | May 1 – May 15 | — | — |
| Eggplant | Feb 6 – Feb 20 | May 1 – May 15 | — | — |
| Tomatoes | Feb 20 – Mar 6 | Apr 24 – May 8 | — | — |
| Lettuce | Feb 20 – Mar 6 | Mar 27 – Apr 10 | Mar 20 – Apr 24 | Aug 30 – Sep 27 |
| Kale | Feb 20 – Mar 6 | Mar 20 – Apr 3 | Mar 20 – Apr 3 | Aug 16 – Sep 6 |
| Broccoli | Feb 20 – Mar 6 | Apr 3 – Apr 17 | — | Jul 19 – Aug 9 |
| Cabbage | Feb 20 – Mar 6 | Mar 27 – Apr 10 | — | Jul 19 – Aug 9 |
| Cauliflower | Feb 20 – Mar 6 | Apr 3 – Apr 17 | — | Jul 19 – Aug 9 |
| Okra | Mar 6 – Mar 20 | May 8 – May 22 | May 8 – May 22 | — |
| Basil | Mar 6 – Mar 20 | Apr 24 – May 8 | — | — |
| Peas | — | — | Mar 6 – Mar 27 | Aug 2 – Aug 23 |
| Spinach | — | — | Mar 6 – Mar 27 | Aug 30 – Sep 20 |
| Radishes | — | — | Mar 13 – Apr 24 | Sep 13 – Oct 4 |
| Cucumbers | Mar 20 – Mar 27 | May 1 – May 8 | Apr 24 – May 8 | Aug 9 – Aug 23 |
| Zucchini & Summer Squash | Mar 20 – Mar 27 | — | Apr 24 – May 8 | Aug 16 – Aug 30 |
| Winter Squash & Pumpkins | Mar 20 – Mar 27 | — | Apr 24 – May 8 | — |
| Melons & Watermelon | Mar 20 – Mar 27 | May 1 – May 15 | — | — |
| Carrots | — | — | Mar 27 – Apr 24 | Aug 2 – Aug 16 |
| Beets | — | — | Mar 27 – Apr 24 | Aug 16 – Aug 30 |
| Potatoes | — | — | Mar 27 – Apr 17 | — |
| Swiss Chard | — | — | Apr 3 – May 1 | Aug 16 – Aug 30 |
| Cilantro | — | — | Apr 3 – Apr 24 | Aug 30 – Sep 20 |
| Green Beans | — | — | Apr 24 – May 15 | Aug 9 – Aug 23 |
| Sweet Corn | — | — | Apr 24 – May 8 | — |
| Sweet Potatoes | — | May 1 – May 22 | — | — |
| Garlic | — | — | — | Oct 11 – Nov 15 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Pleasant Grove, UT weather station, about 1 km away (elevation 4,692 ft (1,430 m)).
ZIP codes in Provo: 84601 84602 84603 84604 84605 84606
Frost dates near Provo
- Pleasant Grove Apr 17 · Oct 25
- Lindon Apr 17 · Oct 25
- American Fork Apr 17 · Oct 25
- Orem Apr 18 · Oct 21
- Alpine May 3 · Oct 12
- Lehi Apr 30 · Oct 9
- Saratoga Springs Apr 30 · Oct 9
- Draper Apr 18 · Oct 22
Frequently asked questions
When is the last frost in Provo, UT?
The median last spring frost in Provo, UT is April 17. There is still about a 10% chance of frost after May 7, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Provo, UT?
The median first fall frost is October 25, with about a 10% chance of frost before October 10.
How long is the growing season in Provo, UT?
About 191 days between the median last spring frost and first fall frost.
What planting zone is Provo, UT?
Provo, UT is in USDA hardiness zone 7a.