Mount Carmel, UT frost dates
How Mount Carmel compares
- In 8 years out of 10, the last spring frost in Mount Carmel falls between April 30 and June 4, a 35-day window. The first fall frost falls between September 26 and October 21.
- The median last frost is 5 days later than the Utah median of May 10.
- Its 146-day growing season is longer than 46% of the 250 Utah places with a regular frost season (state median 148 days).
- The last frost is 29 days later than the zone 7a median of Apr 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 7a chart.
- The weather station records an average of 165 nights a year at or below 32°F.
- Compared with Saint George, UT, 83 km away, the last frost here is 62 days later than there and the growing season is 95 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 30 |
| 50% (median) | May 15 |
| 10% (safe for tender plants) | June 4 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 26 |
| 50% (median) | October 8 |
| 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 Mount Carmel, UT
Mount Carmel, UT frost dates — last frost May 15, first frost Oct 8, zone 7a. whenisthelastfrost.com
When to plant vegetables in Mount Carmel, UT
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 20 – Mar 6 | Apr 17 – May 1 | — | — |
| Peppers | Mar 6 – Mar 20 | May 29 – Jun 12 | — | — |
| Eggplant | Mar 6 – Mar 20 | May 29 – Jun 12 | — | — |
| Tomatoes | Mar 20 – Apr 3 | May 22 – Jun 5 | — | — |
| Lettuce | Mar 20 – Apr 3 | Apr 24 – May 8 | Apr 17 – May 22 | Aug 13 – Sep 10 |
| Kale | Mar 20 – Apr 3 | Apr 17 – May 1 | Apr 17 – May 1 | Jul 30 – Aug 20 |
| Broccoli | Mar 20 – Apr 3 | May 1 – May 15 | — | Jul 2 – Jul 23 |
| Cabbage | Mar 20 – Apr 3 | Apr 24 – May 8 | — | Jul 2 – Jul 23 |
| Cauliflower | Mar 20 – Apr 3 | May 1 – May 15 | — | Jul 2 – Jul 23 |
| Okra | Apr 3 – Apr 17 | Jun 5 – Jun 19 | Jun 5 – Jun 19 | — |
| Basil | Apr 3 – Apr 17 | May 22 – Jun 5 | — | — |
| Peas | — | — | Apr 3 – Apr 24 | Jul 16 – Aug 6 |
| Spinach | — | — | Apr 3 – Apr 24 | Aug 13 – Sep 3 |
| Radishes | — | — | Apr 10 – May 22 | Aug 27 – Sep 17 |
| Cucumbers | Apr 17 – Apr 24 | May 29 – Jun 5 | May 22 – Jun 5 | Jul 23 – Aug 6 |
| Zucchini & Summer Squash | Apr 17 – Apr 24 | — | May 22 – Jun 5 | Jul 30 – Aug 13 |
| Winter Squash & Pumpkins | Apr 17 – Apr 24 | — | May 22 – Jun 5 | — |
| Melons & Watermelon | Apr 17 – Apr 24 | May 29 – Jun 12 | — | — |
| Carrots | — | — | Apr 24 – May 22 | Jul 16 – Jul 30 |
| Beets | — | — | Apr 24 – May 22 | Jul 30 – Aug 13 |
| Potatoes | — | — | Apr 24 – May 15 | — |
| Swiss Chard | — | — | May 1 – May 29 | Jul 30 – Aug 13 |
| Cilantro | — | — | May 1 – May 22 | Aug 13 – Sep 3 |
| Green Beans | — | — | May 22 – Jun 12 | Jul 23 – Aug 6 |
| Sweet Corn | — | — | May 22 – Jun 5 | — |
| Sweet Potatoes | — | May 29 – Jun 19 | — | — |
| Garlic | — | — | — | Sep 24 – Oct 29 |
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 Orderville, UT weather station, 4 km away (elevation 5,459 ft (1,664 m)).
Frost dates near Mount Carmel
- Orderville May 15 · Oct 8
- Glendale May 15 · Oct 8
- Kanab Apr 29 · Oct 22
- Alton Jun 1 · Sep 30
- Duck Creek Village Jun 1 · Sep 30
- Springdale Apr 13 · Nov 2
- Rockville Apr 13 · Nov 2
- Hildale Apr 26 · Oct 25
- Virgin Apr 1 · Nov 5
- Hatch Jun 19 · Sep 13
Frequently asked questions
When is the last frost in Mount Carmel, UT?
The median last spring frost in Mount Carmel, UT is May 15. There is still about a 10% chance of frost after June 4, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Mount Carmel, UT?
The median first fall frost is October 8, with about a 10% chance of frost before September 26.
How long is the growing season in Mount Carmel, UT?
About 146 days between the median last spring frost and first fall frost.
What planting zone is Mount Carmel, UT?
Mount Carmel, UT is in USDA hardiness zone 7a.