Eloy, AZ frost dates
Last spring frostFeb 24median date
First fall frostNov 28median date
Growing season277 daysfrost-free
Hardiness zone9aZone 9a
How Eloy compares
- In 8 years out of 10, the last spring frost in Eloy falls between January 30 and March 18, a 47-day window. The first fall frost falls between November 11 and December 13.
- The median last frost is 51 days earlier than the Arizona median of Apr 16.
- Its 277-day growing season is longer than 94% of the 193 Arizona places with a regular frost season (state median 197 days).
- The last frost is 7 days earlier than the zone 9a median of Mar 3. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 9a chart.
- The weather station records an average of 32 nights a year at or below 32°F.
- Nearby Casa Grande, AZ, 18 km away, gets only light, occasional frost, a reminder of how much elevation and distance from the coast matter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | January 30 |
| 50% (median) | February 24 |
| 10% (safe for tender plants) | March 18 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 11 |
| 50% (median) | November 28 |
| 90% (late) | December 13 |
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 Eloy, AZ
Eloy, AZ frost dates — last frost Feb 24, first frost Nov 28, zone 9a. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Dec 2 to Dec 16Transplant outside: Jan 27 to Feb 10
Start indoors: Dec 16 to Dec 30Transplant outside: Mar 10 to Mar 24
Start indoors: Dec 16 to Dec 30Transplant outside: Mar 10 to Mar 24
Start indoors: Dec 30 to Jan 13Start indoors: Dec 30 to Jan 13Transplant outside: Mar 3 to Mar 17
Start indoors: Dec 30 to Jan 13Start indoors: Dec 30 to Jan 13Transplant outside: Feb 3 to Feb 17Sow outdoors: Jan 27 to Mar 3Plant for fall: Oct 3 to Oct 31
Start indoors: Dec 30 to Jan 13Start indoors: Dec 30 to Jan 13Transplant outside: Jan 27 to Feb 10Sow outdoors: Jan 27 to Feb 10Plant for fall: Sep 19 to Oct 10
Start indoors: Dec 30 to Jan 13Start indoors: Dec 30 to Jan 13Transplant outside: Feb 10 to Feb 24Plant for fall: Aug 22 to Sep 12
Start indoors: Dec 30 to Jan 13Start indoors: Dec 30 to Jan 13Transplant outside: Feb 3 to Feb 17Plant for fall: Aug 22 to Sep 12
Start indoors: Dec 30 to Jan 13Start indoors: Dec 30 to Jan 13Transplant outside: Feb 10 to Feb 24Plant for fall: Aug 22 to Sep 12
Start indoors: Jan 13 to Jan 27Transplant outside: Mar 17 to Mar 31Sow outdoors: Mar 17 to Mar 31
Start indoors: Jan 13 to Jan 27Transplant outside: Mar 3 to Mar 17
Sow outdoors: Jan 13 to Feb 3Plant for fall: Sep 5 to Sep 26
Sow outdoors: Jan 13 to Feb 3Plant for fall: Oct 3 to Oct 24
Sow outdoors: Jan 20 to Mar 3Plant for fall: Oct 17 to Nov 7
Start indoors: Jan 27 to Feb 3Transplant outside: Mar 10 to Mar 17Sow outdoors: Mar 3 to Mar 17Plant for fall: Sep 12 to Sep 26
Start indoors: Jan 27 to Feb 3Sow outdoors: Mar 3 to Mar 17Plant for fall: Sep 19 to Oct 3
Start indoors: Jan 27 to Feb 3Sow outdoors: Mar 3 to Mar 17
Start indoors: Jan 27 to Feb 3Transplant outside: Mar 10 to Mar 24
Sow outdoors: Feb 3 to Mar 3Plant for fall: Sep 5 to Sep 19
Sow outdoors: Feb 3 to Mar 3Plant for fall: Sep 19 to Oct 3
Sow outdoors: Feb 3 to Feb 24
Sow outdoors: Feb 10 to Mar 10Plant for fall: Sep 19 to Oct 3
Sow outdoors: Feb 10 to Mar 3Plant for fall: Oct 3 to Oct 24
Sow outdoors: Mar 3 to Mar 24Plant for fall: Sep 12 to Sep 26
Sow outdoors: Mar 3 to Mar 17
Transplant outside: Mar 10 to Mar 31
Plant for fall: Nov 14 to Dec 19
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Eloy, AZ
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 2 – Dec 16 | Jan 27 – Feb 10 | — | — |
| Peppers | Dec 16 – Dec 30 | Mar 10 – Mar 24 | — | — |
| Eggplant | Dec 16 – Dec 30 | Mar 10 – Mar 24 | — | — |
| Tomatoes | Dec 30 – Jan 13 | Mar 3 – Mar 17 | — | — |
| Lettuce | Dec 30 – Jan 13 | Feb 3 – Feb 17 | Jan 27 – Mar 3 | Oct 3 – Oct 31 |
| Kale | Dec 30 – Jan 13 | Jan 27 – Feb 10 | Jan 27 – Feb 10 | Sep 19 – Oct 10 |
| Broccoli | Dec 30 – Jan 13 | Feb 10 – Feb 24 | — | Aug 22 – Sep 12 |
| Cabbage | Dec 30 – Jan 13 | Feb 3 – Feb 17 | — | Aug 22 – Sep 12 |
| Cauliflower | Dec 30 – Jan 13 | Feb 10 – Feb 24 | — | Aug 22 – Sep 12 |
| Okra | Jan 13 – Jan 27 | Mar 17 – Mar 31 | Mar 17 – Mar 31 | — |
| Basil | Jan 13 – Jan 27 | Mar 3 – Mar 17 | — | — |
| Peas | — | — | Jan 13 – Feb 3 | Sep 5 – Sep 26 |
| Spinach | — | — | Jan 13 – Feb 3 | Oct 3 – Oct 24 |
| Radishes | — | — | Jan 20 – Mar 3 | Oct 17 – Nov 7 |
| Cucumbers | Jan 27 – Feb 3 | Mar 10 – Mar 17 | Mar 3 – Mar 17 | Sep 12 – Sep 26 |
| Zucchini & Summer Squash | Jan 27 – Feb 3 | — | Mar 3 – Mar 17 | Sep 19 – Oct 3 |
| Winter Squash & Pumpkins | Jan 27 – Feb 3 | — | Mar 3 – Mar 17 | — |
| Melons & Watermelon | Jan 27 – Feb 3 | Mar 10 – Mar 24 | — | — |
| Carrots | — | — | Feb 3 – Mar 3 | Sep 5 – Sep 19 |
| Beets | — | — | Feb 3 – Mar 3 | Sep 19 – Oct 3 |
| Potatoes | — | — | Feb 3 – Feb 24 | — |
| Swiss Chard | — | — | Feb 10 – Mar 10 | Sep 19 – Oct 3 |
| Cilantro | — | — | Feb 10 – Mar 3 | Oct 3 – Oct 24 |
| Green Beans | — | — | Mar 3 – Mar 24 | Sep 12 – Sep 26 |
| Sweet Corn | — | — | Mar 3 – Mar 17 | — |
| Sweet Potatoes | — | Mar 10 – Mar 31 | — | — |
| Garlic | — | — | — | Nov 14 – Dec 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 Eloy 4 Ne, AZ weather station, 7 km away (elevation 1,545 ft (471 m)).
Frost dates near Eloy
- Arizona City Feb 28 · Nov 21
- Picacho Feb 6 · Dec 9
- Casa Grande Feb 5 · Dec 6
- Coolidge Feb 17 · Nov 29
- Valley Farms Jan 30 · Dec 12
- Red Rock Feb 6 · Dec 9
- Florence Jan 30 · Dec 12
- Stanfield Feb 5 · Dec 6
- Sacaton Feb 1 · Dec 11
- Maricopa Feb 23 · Nov 24
Frequently asked questions
When is the last frost in Eloy, AZ?
The median last spring frost in Eloy, AZ is February 24. There is still about a 10% chance of frost after March 18, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Eloy, AZ?
The median first fall frost is November 28, with about a 10% chance of frost before November 11.
How long is the growing season in Eloy, AZ?
About 277 days between the median last spring frost and first fall frost.
What planting zone is Eloy, AZ?
Eloy, AZ is in USDA hardiness zone 9a.