Aneth, UT frost dates
Last spring frostMay 2median date
First fall frostOct 10median date
Growing season161 daysfrost-free
Hardiness zone7aZone 7a
How Aneth compares
- In 8 years out of 10, the last spring frost in Aneth falls between April 19 and May 21, a 32-day window. The first fall frost falls between September 27 and October 24.
- The median last frost is 8 days earlier than the Utah median of May 10.
- Its 161-day growing season is longer than 61% of the 250 Utah places with a regular frost season (state median 148 days).
- The last frost is 16 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 159 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 19 |
| 50% (median) | May 2 |
| 10% (safe for tender plants) | May 21 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 27 |
| 50% (median) | October 10 |
| 90% (late) | October 24 |
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 Aneth, UT
Aneth, UT frost dates — last frost May 2, first frost Oct 10, zone 7a. whenisthelastfrost.com
Crop
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Start indoors: Feb 7 to Feb 21Transplant outside: Apr 4 to Apr 18
Start indoors: Feb 21 to Mar 7Transplant outside: May 16 to May 30
Start indoors: Feb 21 to Mar 7Transplant outside: May 16 to May 30
Start indoors: Mar 7 to Mar 21Transplant outside: May 9 to May 23
Start indoors: Mar 7 to Mar 21Transplant outside: Apr 11 to Apr 25Sow outdoors: Apr 4 to May 9Plant for fall: Aug 15 to Sep 12
Start indoors: Mar 7 to Mar 21Transplant outside: Apr 4 to Apr 18Sow outdoors: Apr 4 to Apr 18Plant for fall: Aug 1 to Aug 22
Start indoors: Mar 7 to Mar 21Transplant outside: Apr 18 to May 2Plant for fall: Jul 4 to Jul 25
Start indoors: Mar 7 to Mar 21Transplant outside: Apr 11 to Apr 25Plant for fall: Jul 4 to Jul 25
Start indoors: Mar 7 to Mar 21Transplant outside: Apr 18 to May 2Plant for fall: Jul 4 to Jul 25
Start indoors: Mar 21 to Apr 4Transplant outside: May 23 to Jun 6Sow outdoors: May 23 to Jun 6
Start indoors: Mar 21 to Apr 4Transplant outside: May 9 to May 23
Sow outdoors: Mar 21 to Apr 11Plant for fall: Jul 18 to Aug 8
Sow outdoors: Mar 21 to Apr 11Plant for fall: Aug 15 to Sep 5
Sow outdoors: Mar 28 to May 9Plant for fall: Aug 29 to Sep 19
Start indoors: Apr 4 to Apr 11Transplant outside: May 16 to May 23Sow outdoors: May 9 to May 23Plant for fall: Jul 25 to Aug 8
Start indoors: Apr 4 to Apr 11Sow outdoors: May 9 to May 23Plant for fall: Aug 1 to Aug 15
Start indoors: Apr 4 to Apr 11Sow outdoors: May 9 to May 23
Start indoors: Apr 4 to Apr 11Transplant outside: May 16 to May 30
Sow outdoors: Apr 11 to May 9Plant for fall: Jul 18 to Aug 1
Sow outdoors: Apr 11 to May 9Plant for fall: Aug 1 to Aug 15
Sow outdoors: Apr 11 to May 2
Sow outdoors: Apr 18 to May 16Plant for fall: Aug 1 to Aug 15
Sow outdoors: Apr 18 to May 9Plant for fall: Aug 15 to Sep 5
Sow outdoors: May 9 to May 30Plant for fall: Jul 25 to Aug 8
Sow outdoors: May 9 to May 23
Transplant outside: May 16 to Jun 6
Plant for fall: Sep 26 to Oct 31
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Aneth, UT
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 7 – Feb 21 | Apr 4 – Apr 18 | — | — |
| Peppers | Feb 21 – Mar 7 | May 16 – May 30 | — | — |
| Eggplant | Feb 21 – Mar 7 | May 16 – May 30 | — | — |
| Tomatoes | Mar 7 – Mar 21 | May 9 – May 23 | — | — |
| Lettuce | Mar 7 – Mar 21 | Apr 11 – Apr 25 | Apr 4 – May 9 | Aug 15 – Sep 12 |
| Kale | Mar 7 – Mar 21 | Apr 4 – Apr 18 | Apr 4 – Apr 18 | Aug 1 – Aug 22 |
| Broccoli | Mar 7 – Mar 21 | Apr 18 – May 2 | — | Jul 4 – Jul 25 |
| Cabbage | Mar 7 – Mar 21 | Apr 11 – Apr 25 | — | Jul 4 – Jul 25 |
| Cauliflower | Mar 7 – Mar 21 | Apr 18 – May 2 | — | Jul 4 – Jul 25 |
| Okra | Mar 21 – Apr 4 | May 23 – Jun 6 | May 23 – Jun 6 | — |
| Basil | Mar 21 – Apr 4 | May 9 – May 23 | — | — |
| Peas | — | — | Mar 21 – Apr 11 | Jul 18 – Aug 8 |
| Spinach | — | — | Mar 21 – Apr 11 | Aug 15 – Sep 5 |
| Radishes | — | — | Mar 28 – May 9 | Aug 29 – Sep 19 |
| Cucumbers | Apr 4 – Apr 11 | May 16 – May 23 | May 9 – May 23 | Jul 25 – Aug 8 |
| Zucchini & Summer Squash | Apr 4 – Apr 11 | — | May 9 – May 23 | Aug 1 – Aug 15 |
| Winter Squash & Pumpkins | Apr 4 – Apr 11 | — | May 9 – May 23 | — |
| Melons & Watermelon | Apr 4 – Apr 11 | May 16 – May 30 | — | — |
| Carrots | — | — | Apr 11 – May 9 | Jul 18 – Aug 1 |
| Beets | — | — | Apr 11 – May 9 | Aug 1 – Aug 15 |
| Potatoes | — | — | Apr 11 – May 2 | — |
| Swiss Chard | — | — | Apr 18 – May 16 | Aug 1 – Aug 15 |
| Cilantro | — | — | Apr 18 – May 9 | Aug 15 – Sep 5 |
| Green Beans | — | — | May 9 – May 30 | Jul 25 – Aug 8 |
| Sweet Corn | — | — | May 9 – May 23 | — |
| Sweet Potatoes | — | May 16 – Jun 6 | — | — |
| Garlic | — | — | — | Sep 26 – Oct 31 |
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 Hovenweep Nm, UT weather station, 21 km away (elevation 5,240 ft (1,597 m)).
Frost dates near Aneth
- Montezuma Creek May 2 · Oct 10
- Bluff Apr 24 · Oct 13
- Blanding Apr 28 · Oct 21
- Mexican Hat Apr 11 · Oct 30
- Monticello May 19 · Oct 2
- Lake Powell Mar 9 · Nov 20
- Monument Valley Apr 10 · Nov 1
- La Sal May 17 · Oct 6
- Moab Apr 11 · Oct 23
- Hanksville May 5 · Oct 3
Frequently asked questions
When is the last frost in Aneth, UT?
The median last spring frost in Aneth, UT is May 2. There is still about a 10% chance of frost after May 21, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Aneth, UT?
The median first fall frost is October 10, with about a 10% chance of frost before September 27.
How long is the growing season in Aneth, UT?
About 161 days between the median last spring frost and first fall frost.
What planting zone is Aneth, UT?
Aneth, UT is in USDA hardiness zone 7a.