Central, UT frost dates
Last spring frostApr 9median date
First fall frostNov 5median date
Growing season210 daysfrost-free
Hardiness zone6bZone 6b
How Central compares
- In 8 years out of 10, the last spring frost in Central falls between March 18 and April 28, a 41-day window. The first fall frost falls between October 21 and November 18.
- The median last frost is 31 days earlier than the Utah median of May 10.
- Its 210-day growing season is longer than 94% of the 250 Utah places with a regular frost season (state median 148 days).
- The last frost is 13 days earlier than the zone 6b median of Apr 22. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 6b chart.
- The weather station records an average of 98 nights a year at or below 32°F.
- Compared with Saint George, UT, 36 km away, the last frost here is 26 days later than there and the growing season is 31 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 18 |
| 50% (median) | April 9 |
| 10% (safe for tender plants) | April 28 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 21 |
| 50% (median) | November 5 |
| 90% (late) | November 18 |
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 Central, UT
Central, UT frost dates — last frost Apr 9, first frost Nov 5, zone 6b. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Jan 15 to Jan 29Transplant outside: Mar 12 to Mar 26
Start indoors: Jan 29 to Feb 12Transplant outside: Apr 23 to May 7
Start indoors: Jan 29 to Feb 12Transplant outside: Apr 23 to May 7
Start indoors: Feb 12 to Feb 26Transplant outside: Apr 16 to Apr 30
Start indoors: Feb 12 to Feb 26Transplant outside: Mar 19 to Apr 2Sow outdoors: Mar 12 to Apr 16Plant for fall: Sep 10 to Oct 8
Start indoors: Feb 12 to Feb 26Transplant outside: Mar 12 to Mar 26Sow outdoors: Mar 12 to Mar 26Plant for fall: Aug 27 to Sep 17
Start indoors: Feb 12 to Feb 26Transplant outside: Mar 26 to Apr 9Plant for fall: Jul 30 to Aug 20
Start indoors: Feb 12 to Feb 26Transplant outside: Mar 19 to Apr 2Plant for fall: Jul 30 to Aug 20
Start indoors: Feb 12 to Feb 26Transplant outside: Mar 26 to Apr 9Plant for fall: Jul 30 to Aug 20
Start indoors: Feb 26 to Mar 12Transplant outside: Apr 30 to May 14Sow outdoors: Apr 30 to May 14
Start indoors: Feb 26 to Mar 12Transplant outside: Apr 16 to Apr 30
Sow outdoors: Feb 26 to Mar 19Plant for fall: Aug 13 to Sep 3
Sow outdoors: Feb 26 to Mar 19Plant for fall: Sep 10 to Oct 1
Sow outdoors: Mar 5 to Apr 16Plant for fall: Sep 24 to Oct 15
Start indoors: Mar 12 to Mar 19Transplant outside: Apr 23 to Apr 30Sow outdoors: Apr 16 to Apr 30Plant for fall: Aug 20 to Sep 3
Start indoors: Mar 12 to Mar 19Sow outdoors: Apr 16 to Apr 30Plant for fall: Aug 27 to Sep 10
Start indoors: Mar 12 to Mar 19Sow outdoors: Apr 16 to Apr 30
Start indoors: Mar 12 to Mar 19Transplant outside: Apr 23 to May 7
Sow outdoors: Mar 19 to Apr 16Plant for fall: Aug 13 to Aug 27
Sow outdoors: Mar 19 to Apr 16Plant for fall: Aug 27 to Sep 10
Sow outdoors: Mar 19 to Apr 9
Sow outdoors: Mar 26 to Apr 23Plant for fall: Aug 27 to Sep 10
Sow outdoors: Mar 26 to Apr 16Plant for fall: Sep 10 to Oct 1
Sow outdoors: Apr 16 to May 7Plant for fall: Aug 20 to Sep 3
Sow outdoors: Apr 16 to Apr 30
Transplant outside: Apr 23 to May 14
Plant for fall: Oct 22 to Nov 26
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Central, UT
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 15 – Jan 29 | Mar 12 – Mar 26 | — | — |
| Peppers | Jan 29 – Feb 12 | Apr 23 – May 7 | — | — |
| Eggplant | Jan 29 – Feb 12 | Apr 23 – May 7 | — | — |
| Tomatoes | Feb 12 – Feb 26 | Apr 16 – Apr 30 | — | — |
| Lettuce | Feb 12 – Feb 26 | Mar 19 – Apr 2 | Mar 12 – Apr 16 | Sep 10 – Oct 8 |
| Kale | Feb 12 – Feb 26 | Mar 12 – Mar 26 | Mar 12 – Mar 26 | Aug 27 – Sep 17 |
| Broccoli | Feb 12 – Feb 26 | Mar 26 – Apr 9 | — | Jul 30 – Aug 20 |
| Cabbage | Feb 12 – Feb 26 | Mar 19 – Apr 2 | — | Jul 30 – Aug 20 |
| Cauliflower | Feb 12 – Feb 26 | Mar 26 – Apr 9 | — | Jul 30 – Aug 20 |
| Okra | Feb 26 – Mar 12 | Apr 30 – May 14 | Apr 30 – May 14 | — |
| Basil | Feb 26 – Mar 12 | Apr 16 – Apr 30 | — | — |
| Peas | — | — | Feb 26 – Mar 19 | Aug 13 – Sep 3 |
| Spinach | — | — | Feb 26 – Mar 19 | Sep 10 – Oct 1 |
| Radishes | — | — | Mar 5 – Apr 16 | Sep 24 – Oct 15 |
| Cucumbers | Mar 12 – Mar 19 | Apr 23 – Apr 30 | Apr 16 – Apr 30 | Aug 20 – Sep 3 |
| Zucchini & Summer Squash | Mar 12 – Mar 19 | — | Apr 16 – Apr 30 | Aug 27 – Sep 10 |
| Winter Squash & Pumpkins | Mar 12 – Mar 19 | — | Apr 16 – Apr 30 | — |
| Melons & Watermelon | Mar 12 – Mar 19 | Apr 23 – May 7 | — | — |
| Carrots | — | — | Mar 19 – Apr 16 | Aug 13 – Aug 27 |
| Beets | — | — | Mar 19 – Apr 16 | Aug 27 – Sep 10 |
| Potatoes | — | — | Mar 19 – Apr 9 | — |
| Swiss Chard | — | — | Mar 26 – Apr 23 | Aug 27 – Sep 10 |
| Cilantro | — | — | Mar 26 – Apr 16 | Sep 10 – Oct 1 |
| Green Beans | — | — | Apr 16 – May 7 | Aug 20 – Sep 3 |
| Sweet Corn | — | — | Apr 16 – Apr 30 | — |
| Sweet Potatoes | — | Apr 23 – May 14 | — | — |
| Garlic | — | — | — | Oct 22 – Nov 26 |
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 Veyo Powerhouse, UT weather station, 8 km away (elevation 4,600 ft (1,402 m)).
Frost dates near Central
- Veyo Apr 9 · Nov 5
- Pine Valley Apr 9 · Nov 5
- Dammeron Valley Apr 9 · Nov 5
- Gunlock Apr 9 · Nov 5
- Enterprise May 21 · Oct 2
- Ivins Mar 14 · Nov 10
- Newcastle May 31 · Sep 20
- Leeds Apr 1 · Nov 5
- New Harmony May 9 · Oct 11
- Santa Clara Mar 14 · Nov 10
Frequently asked questions
When is the last frost in Central, UT?
The median last spring frost in Central, UT is April 9. There is still about a 10% chance of frost after April 28, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Central, UT?
The median first fall frost is November 5, with about a 10% chance of frost before October 21.
How long is the growing season in Central, UT?
About 210 days between the median last spring frost and first fall frost.
What planting zone is Central, UT?
Central, UT is in USDA hardiness zone 6b.