Beryl, UT frost dates
How Beryl compares
- In 8 years out of 10, the last spring frost in Beryl falls between May 16 and June 20, a 35-day window. The first fall frost falls between September 6 and October 1.
- The median last frost is 21 days later than the Utah median of May 10.
- Its 112-day growing season is longer than 11% of the 250 Utah places with a regular frost season (state median 148 days).
- The last frost is 30 days later than the zone 5b median of May 1. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 5b chart.
- The weather station records an average of 203 nights a year at or below 32°F.
- Compared with Saint George, UT, 89 km away, the last frost here is 78 days later than there and the growing season is 129 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | May 16 |
| 50% (median) | May 31 |
| 10% (safe for tender plants) | June 20 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 6 |
| 50% (median) | September 20 |
| 90% (late) | October 1 |
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 Beryl, UT
Beryl, UT frost dates — last frost May 31, first frost Sep 20, zone 5b. whenisthelastfrost.com
When to plant vegetables in Beryl, UT
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Mar 8 – Mar 22 | May 3 – May 17 | — | — |
| Peppers | Mar 22 – Apr 5 | Jun 14 – Jun 28 | — | — |
| Eggplant | Mar 22 – Apr 5 | Jun 14 – Jun 28 | — | — |
| Tomatoes | Apr 5 – Apr 19 | Jun 7 – Jun 21 | — | — |
| Lettuce | Apr 5 – Apr 19 | May 10 – May 24 | May 3 – Jun 7 | Jul 26 – Aug 23 |
| Kale | Apr 5 – Apr 19 | May 3 – May 17 | May 3 – May 17 | Jul 12 – Aug 2 |
| Broccoli | Apr 5 – Apr 19 | May 17 – May 31 | — | — |
| Cabbage | Apr 5 – Apr 19 | May 10 – May 24 | — | — |
| Cauliflower | Apr 5 – Apr 19 | May 17 – May 31 | — | — |
| Okra | Apr 19 – May 3 | Jun 21 – Jul 5 | Jun 21 – Jul 5 | — |
| Basil | Apr 19 – May 3 | Jun 7 – Jun 21 | — | — |
| Peas | — | — | Apr 19 – May 10 | Jun 28 – Jul 19 |
| Spinach | — | — | Apr 19 – May 10 | Jul 26 – Aug 16 |
| Radishes | — | — | Apr 26 – Jun 7 | Aug 9 – Aug 30 |
| Cucumbers | May 3 – May 10 | Jun 14 – Jun 21 | Jun 7 – Jun 21 | — |
| Zucchini & Summer Squash | May 3 – May 10 | — | Jun 7 – Jun 21 | Jul 12 – Jul 26 |
| Winter Squash & Pumpkins Warning: Your frost-free season is about 112 days, which is tight for winter squash & pumpkins (100+ days). Choose early varieties and use transplants or row covers. | May 3 – May 10 | — | Jun 7 – Jun 21 | — |
| Melons & Watermelon | May 3 – May 10 | Jun 14 – Jun 28 | — | — |
| Carrots | — | — | May 10 – Jun 7 | Jun 28 – Jul 12 |
| Beets | — | — | May 10 – Jun 7 | Jul 12 – Jul 26 |
| Potatoes | — | — | May 10 – May 31 | — |
| Swiss Chard | — | — | May 17 – Jun 14 | Jul 12 – Jul 26 |
| Cilantro | — | — | May 17 – Jun 7 | Jul 26 – Aug 16 |
| Green Beans | — | — | Jun 7 – Jun 28 | — |
| Sweet Corn | — | — | Jun 7 – Jun 21 | — |
| Sweet Potatoes Warning: Your frost-free season is about 112 days, which is tight for sweet potatoes (100+ days). Choose early varieties and use transplants or row covers. | — | Jun 14 – Jul 5 | — | — |
| Garlic | — | — | — | Sep 6 – Oct 11 |
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 Enterprise Beryl Jct, UT weather station, 14 km away (elevation 5,151 ft (1,570 m)).
Frost dates near Beryl
- Newcastle May 31 · Sep 20
- Modena May 20 · Oct 3
- Enterprise May 21 · Oct 2
- Central Apr 9 · Nov 5
- Pine Valley Apr 9 · Nov 5
- Kanarraville May 9 · Oct 11
- Cedar City May 4 · Oct 13
- Veyo Apr 9 · Nov 5
- New Harmony May 9 · Oct 11
- Summit Jun 21 · Sep 12
Frequently asked questions
When is the last frost in Beryl, UT?
The median last spring frost in Beryl, UT is May 31. There is still about a 10% chance of frost after June 20, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Beryl, UT?
The median first fall frost is September 20, with about a 10% chance of frost before September 6.
How long is the growing season in Beryl, UT?
About 112 days between the median last spring frost and first fall frost.
What planting zone is Beryl, UT?
Beryl, UT is in USDA hardiness zone 5b.