Levan, UT frost dates
How Levan compares
- In 8 years out of 10, the last spring frost in Levan falls between April 26 and May 31, a 35-day window. The first fall frost falls between September 24 and October 21.
- The median last frost is the same as the Utah median of May 10.
- Its 150-day growing season is longer than 51% of the 250 Utah places with a regular frost season (state median 148 days).
- The last frost is 11 days later than the zone 6a median of Apr 29. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 6a chart.
- The weather station records an average of 163 nights a year at or below 32°F.
- Compared with Provo, UT, 84 km away, the last frost here is 22 days later than there and the growing season is 36 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 26 |
| 50% (median) | May 10 |
| 10% (safe for tender plants) | May 31 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 24 |
| 50% (median) | October 7 |
| 90% (late) | October 21 |
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 Levan, UT
Levan, UT frost dates — last frost May 10, first frost Oct 7, zone 6a. whenisthelastfrost.com
When to plant vegetables in Levan, UT
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 15 – Mar 1 | Apr 12 – Apr 26 | — | — |
| Peppers | Mar 1 – Mar 15 | May 24 – Jun 7 | — | — |
| Eggplant | Mar 1 – Mar 15 | May 24 – Jun 7 | — | — |
| Tomatoes | Mar 15 – Mar 29 | May 17 – May 31 | — | — |
| Lettuce | Mar 15 – Mar 29 | Apr 19 – May 3 | Apr 12 – May 17 | Aug 12 – Sep 9 |
| Kale | Mar 15 – Mar 29 | Apr 12 – Apr 26 | Apr 12 – Apr 26 | Jul 29 – Aug 19 |
| Broccoli | Mar 15 – Mar 29 | Apr 26 – May 10 | — | Jul 1 – Jul 22 |
| Cabbage | Mar 15 – Mar 29 | Apr 19 – May 3 | — | Jul 1 – Jul 22 |
| Cauliflower | Mar 15 – Mar 29 | Apr 26 – May 10 | — | Jul 1 – Jul 22 |
| Okra | Mar 29 – Apr 12 | May 31 – Jun 14 | May 31 – Jun 14 | — |
| Basil | Mar 29 – Apr 12 | May 17 – May 31 | — | — |
| Peas | — | — | Mar 29 – Apr 19 | Jul 15 – Aug 5 |
| Spinach | — | — | Mar 29 – Apr 19 | Aug 12 – Sep 2 |
| Radishes | — | — | Apr 5 – May 17 | Aug 26 – Sep 16 |
| Cucumbers | Apr 12 – Apr 19 | May 24 – May 31 | May 17 – May 31 | Jul 22 – Aug 5 |
| Zucchini & Summer Squash | Apr 12 – Apr 19 | — | May 17 – May 31 | Jul 29 – Aug 12 |
| Winter Squash & Pumpkins | Apr 12 – Apr 19 | — | May 17 – May 31 | — |
| Melons & Watermelon | Apr 12 – Apr 19 | May 24 – Jun 7 | — | — |
| Carrots | — | — | Apr 19 – May 17 | Jul 15 – Jul 29 |
| Beets | — | — | Apr 19 – May 17 | Jul 29 – Aug 12 |
| Potatoes | — | — | Apr 19 – May 10 | — |
| Swiss Chard | — | — | Apr 26 – May 24 | Jul 29 – Aug 12 |
| Cilantro | — | — | Apr 26 – May 17 | Aug 12 – Sep 2 |
| Green Beans | — | — | May 17 – Jun 7 | Jul 22 – Aug 5 |
| Sweet Corn | — | — | May 17 – May 31 | — |
| Sweet Potatoes | — | May 24 – Jun 14 | — | — |
| Garlic | — | — | — | Sep 23 – Oct 28 |
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 Levan, UT weather station, 8 km away (elevation 5,299 ft (1,615 m)).
Frost dates near Levan
- Nephi May 6 · Oct 10
- Wales May 26 · Sep 25
- Fountain Green May 26 · Sep 25
- Leamington May 2 · Oct 13
- Moroni May 26 · Sep 25
- Chester May 26 · Sep 25
- Fayette May 31 · Sep 21
- Scipio May 22 · Sep 25
- Ephraim May 28 · Sep 20
- Mona May 6 · Oct 10
Frequently asked questions
When is the last frost in Levan, UT?
The median last spring frost in Levan, UT is May 10. There is still about a 10% chance of frost after May 31, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Levan, UT?
The median first fall frost is October 7, with about a 10% chance of frost before September 24.
How long is the growing season in Levan, UT?
About 150 days between the median last spring frost and first fall frost.
What planting zone is Levan, UT?
Levan, UT is in USDA hardiness zone 6a.