Beaver, UT frost dates
Last spring frostJun 1median date
First fall frostSep 28median date
Growing season119 daysfrost-free
Hardiness zone6aZone 6a
How Beaver compares
- In 8 years out of 10, the last spring frost in Beaver falls between May 15 and June 15, a 31-day window. The first fall frost falls between September 13 and October 11.
- The median last frost is 22 days later than the Utah median of May 10.
- Its 119-day growing season is longer than 17% of the 250 Utah places with a regular frost season (state median 148 days).
- The last frost is 33 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 187 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | May 15 |
| 50% (median) | June 1 |
| 10% (safe for tender plants) | June 15 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 13 |
| 50% (median) | September 28 |
| 90% (late) | October 11 |
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 Beaver, UT
Beaver, UT frost dates — last frost Jun 1, first frost Sep 28, zone 6a. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Mar 9 to Mar 23Transplant outside: May 4 to May 18
Start indoors: Mar 23 to Apr 6Transplant outside: Jun 15 to Jun 29
Start indoors: Mar 23 to Apr 6Transplant outside: Jun 15 to Jun 29
Start indoors: Apr 6 to Apr 20Transplant outside: Jun 8 to Jun 22
Start indoors: Apr 6 to Apr 20Transplant outside: May 11 to May 25Sow outdoors: May 4 to Jun 8Plant for fall: Aug 3 to Aug 31
Start indoors: Apr 6 to Apr 20Transplant outside: May 4 to May 18Sow outdoors: May 4 to May 18Plant for fall: Jul 20 to Aug 10
Start indoors: Apr 6 to Apr 20Transplant outside: May 18 to Jun 1Plant for fall: Jun 22 to Jul 13
Start indoors: Apr 6 to Apr 20Transplant outside: May 11 to May 25Plant for fall: Jun 22 to Jul 13
Start indoors: Apr 6 to Apr 20Transplant outside: May 18 to Jun 1Plant for fall: Jun 22 to Jul 13
Start indoors: Apr 20 to May 4Transplant outside: Jun 22 to Jul 6Sow outdoors: Jun 22 to Jul 6
Start indoors: Apr 20 to May 4Transplant outside: Jun 8 to Jun 22
Sow outdoors: Apr 20 to May 11Plant for fall: Jul 6 to Jul 27
Sow outdoors: Apr 20 to May 11Plant for fall: Aug 3 to Aug 24
Sow outdoors: Apr 27 to Jun 8Plant for fall: Aug 17 to Sep 7
Start indoors: May 4 to May 11Transplant outside: Jun 15 to Jun 22Sow outdoors: Jun 8 to Jun 22Plant for fall: Jul 13 to Jul 27
Start indoors: May 4 to May 11Sow outdoors: Jun 8 to Jun 22Plant for fall: Jul 20 to Aug 3
Start indoors: May 4 to May 11Sow outdoors: Jun 8 to Jun 22
Start indoors: May 4 to May 11Transplant outside: Jun 15 to Jun 29
Sow outdoors: May 11 to Jun 8Plant for fall: Jul 6 to Jul 20
Sow outdoors: May 11 to Jun 8Plant for fall: Jul 20 to Aug 3
Sow outdoors: May 11 to Jun 1
Sow outdoors: May 18 to Jun 15Plant for fall: Jul 20 to Aug 3
Sow outdoors: May 18 to Jun 8Plant for fall: Aug 3 to Aug 24
Sow outdoors: Jun 8 to Jun 29
Sow outdoors: Jun 8 to Jun 22
Transplant outside: Jun 15 to Jul 6
Plant for fall: Sep 14 to Oct 19
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Beaver, UT
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Mar 9 – Mar 23 | May 4 – May 18 | — | — |
| Peppers | Mar 23 – Apr 6 | Jun 15 – Jun 29 | — | — |
| Eggplant | Mar 23 – Apr 6 | Jun 15 – Jun 29 | — | — |
| Tomatoes | Apr 6 – Apr 20 | Jun 8 – Jun 22 | — | — |
| Lettuce | Apr 6 – Apr 20 | May 11 – May 25 | May 4 – Jun 8 | Aug 3 – Aug 31 |
| Kale | Apr 6 – Apr 20 | May 4 – May 18 | May 4 – May 18 | Jul 20 – Aug 10 |
| Broccoli | Apr 6 – Apr 20 | May 18 – Jun 1 | — | Jun 22 – Jul 13 |
| Cabbage | Apr 6 – Apr 20 | May 11 – May 25 | — | Jun 22 – Jul 13 |
| Cauliflower | Apr 6 – Apr 20 | May 18 – Jun 1 | — | Jun 22 – Jul 13 |
| Okra | Apr 20 – May 4 | Jun 22 – Jul 6 | Jun 22 – Jul 6 | — |
| Basil | Apr 20 – May 4 | Jun 8 – Jun 22 | — | — |
| Peas | — | — | Apr 20 – May 11 | Jul 6 – Jul 27 |
| Spinach | — | — | Apr 20 – May 11 | Aug 3 – Aug 24 |
| Radishes | — | — | Apr 27 – Jun 8 | Aug 17 – Sep 7 |
| Cucumbers | May 4 – May 11 | Jun 15 – Jun 22 | Jun 8 – Jun 22 | Jul 13 – Jul 27 |
| Zucchini & Summer Squash | May 4 – May 11 | — | Jun 8 – Jun 22 | Jul 20 – Aug 3 |
| Winter Squash & Pumpkins | May 4 – May 11 | — | Jun 8 – Jun 22 | — |
| Melons & Watermelon | May 4 – May 11 | Jun 15 – Jun 29 | — | — |
| Carrots | — | — | May 11 – Jun 8 | Jul 6 – Jul 20 |
| Beets | — | — | May 11 – Jun 8 | Jul 20 – Aug 3 |
| Potatoes | — | — | May 11 – Jun 1 | — |
| Swiss Chard | — | — | May 18 – Jun 15 | Jul 20 – Aug 3 |
| Cilantro | — | — | May 18 – Jun 8 | Aug 3 – Aug 24 |
| Green Beans | — | — | Jun 8 – Jun 29 | — |
| Sweet Corn | — | — | Jun 8 – Jun 22 | — |
| Sweet Potatoes | — | Jun 15 – Jul 6 | — | — |
| Garlic | — | — | — | Sep 14 – Oct 19 |
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 Beaver Canyon Pwr House, UT weather station, 13 km away (elevation 7,274 ft (2,217 m)).
Frost dates near Beaver
- Greenville Jun 1 · Sep 28
- Minersville May 10 · Oct 2
- Milford May 10 · Oct 2
- Junction May 23 · Sep 27
- Circleville May 23 · Sep 27
- Marysvale May 24 · Sep 25
- Kingston May 23 · Sep 27
- Sevier Jun 4 · Sep 21
- Paragonah Jun 21 · Sep 12
- Parowan Jun 21 · Sep 12
Frequently asked questions
When is the last frost in Beaver, UT?
The median last spring frost in Beaver, UT is June 1. There is still about a 10% chance of frost after June 15, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Beaver, UT?
The median first fall frost is September 28, with about a 10% chance of frost before September 13.
How long is the growing season in Beaver, UT?
About 119 days between the median last spring frost and first fall frost.
What planting zone is Beaver, UT?
Beaver, UT is in USDA hardiness zone 6a.