Elfrida, AZ frost dates
Last spring frostApr 6median date
First fall frostNov 10median date
Growing season218 daysfrost-free
Hardiness zone8bZone 8b
How Elfrida compares
- In 8 years out of 10, the last spring frost in Elfrida falls between March 12 and April 24, a 43-day window. The first fall frost falls between October 25 and November 26.
- The median last frost is 10 days earlier than the Arizona median of Apr 16.
- Its 218-day growing season is longer than 58% of the 193 Arizona places with a regular frost season (state median 197 days).
- The last frost is 21 days later than the zone 8b median of Mar 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 8b chart.
- The weather station records an average of 63 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 12 |
| 50% (median) | April 6 |
| 10% (safe for tender plants) | April 24 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 25 |
| 50% (median) | November 10 |
| 90% (late) | November 26 |
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 Elfrida, AZ
Elfrida, AZ frost dates — last frost Apr 6, first frost Nov 10, zone 8b. whenisthelastfrost.com
Crop
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Start indoors: Jan 12 to Jan 26Transplant outside: Mar 9 to Mar 23
Start indoors: Jan 26 to Feb 9Transplant outside: Apr 20 to May 4
Start indoors: Jan 26 to Feb 9Transplant outside: Apr 20 to May 4
Start indoors: Feb 9 to Feb 23Transplant outside: Apr 13 to Apr 27
Start indoors: Feb 9 to Feb 23Transplant outside: Mar 16 to Mar 30Sow outdoors: Mar 9 to Apr 13Plant for fall: Sep 15 to Oct 13
Start indoors: Feb 9 to Feb 23Transplant outside: Mar 9 to Mar 23Sow outdoors: Mar 9 to Mar 23Plant for fall: Sep 1 to Sep 22
Start indoors: Feb 9 to Feb 23Transplant outside: Mar 23 to Apr 6Plant for fall: Aug 4 to Aug 25
Start indoors: Feb 9 to Feb 23Transplant outside: Mar 16 to Mar 30Plant for fall: Aug 4 to Aug 25
Start indoors: Feb 9 to Feb 23Transplant outside: Mar 23 to Apr 6Plant for fall: Aug 4 to Aug 25
Start indoors: Feb 23 to Mar 9Transplant outside: Apr 27 to May 11Sow outdoors: Apr 27 to May 11
Start indoors: Feb 23 to Mar 9Transplant outside: Apr 13 to Apr 27
Sow outdoors: Feb 23 to Mar 16Plant for fall: Aug 18 to Sep 8
Sow outdoors: Feb 23 to Mar 16Plant for fall: Sep 15 to Oct 6
Sow outdoors: Mar 2 to Apr 13Plant for fall: Sep 29 to Oct 20
Start indoors: Mar 9 to Mar 16Transplant outside: Apr 20 to Apr 27Sow outdoors: Apr 13 to Apr 27Plant for fall: Aug 25 to Sep 8
Start indoors: Mar 9 to Mar 16Sow outdoors: Apr 13 to Apr 27Plant for fall: Sep 1 to Sep 15
Start indoors: Mar 9 to Mar 16Sow outdoors: Apr 13 to Apr 27
Start indoors: Mar 9 to Mar 16Transplant outside: Apr 20 to May 4
Sow outdoors: Mar 16 to Apr 13Plant for fall: Aug 18 to Sep 1
Sow outdoors: Mar 16 to Apr 13Plant for fall: Sep 1 to Sep 15
Sow outdoors: Mar 16 to Apr 6
Sow outdoors: Mar 23 to Apr 20Plant for fall: Sep 1 to Sep 15
Sow outdoors: Mar 23 to Apr 13Plant for fall: Sep 15 to Oct 6
Sow outdoors: Apr 13 to May 4Plant for fall: Aug 25 to Sep 8
Sow outdoors: Apr 13 to Apr 27
Transplant outside: Apr 20 to May 11
Plant for fall: Oct 27 to Dec 1
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Elfrida, AZ
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 12 – Jan 26 | Mar 9 – Mar 23 | — | — |
| Peppers | Jan 26 – Feb 9 | Apr 20 – May 4 | — | — |
| Eggplant | Jan 26 – Feb 9 | Apr 20 – May 4 | — | — |
| Tomatoes | Feb 9 – Feb 23 | Apr 13 – Apr 27 | — | — |
| Lettuce | Feb 9 – Feb 23 | Mar 16 – Mar 30 | Mar 9 – Apr 13 | Sep 15 – Oct 13 |
| Kale | Feb 9 – Feb 23 | Mar 9 – Mar 23 | Mar 9 – Mar 23 | Sep 1 – Sep 22 |
| Broccoli | Feb 9 – Feb 23 | Mar 23 – Apr 6 | — | Aug 4 – Aug 25 |
| Cabbage | Feb 9 – Feb 23 | Mar 16 – Mar 30 | — | Aug 4 – Aug 25 |
| Cauliflower | Feb 9 – Feb 23 | Mar 23 – Apr 6 | — | Aug 4 – Aug 25 |
| Okra | Feb 23 – Mar 9 | Apr 27 – May 11 | Apr 27 – May 11 | — |
| Basil | Feb 23 – Mar 9 | Apr 13 – Apr 27 | — | — |
| Peas | — | — | Feb 23 – Mar 16 | Aug 18 – Sep 8 |
| Spinach | — | — | Feb 23 – Mar 16 | Sep 15 – Oct 6 |
| Radishes | — | — | Mar 2 – Apr 13 | Sep 29 – Oct 20 |
| Cucumbers | Mar 9 – Mar 16 | Apr 20 – Apr 27 | Apr 13 – Apr 27 | Aug 25 – Sep 8 |
| Zucchini & Summer Squash | Mar 9 – Mar 16 | — | Apr 13 – Apr 27 | Sep 1 – Sep 15 |
| Winter Squash & Pumpkins | Mar 9 – Mar 16 | — | Apr 13 – Apr 27 | — |
| Melons & Watermelon | Mar 9 – Mar 16 | Apr 20 – May 4 | — | — |
| Carrots | — | — | Mar 16 – Apr 13 | Aug 18 – Sep 1 |
| Beets | — | — | Mar 16 – Apr 13 | Sep 1 – Sep 15 |
| Potatoes | — | — | Mar 16 – Apr 6 | — |
| Swiss Chard | — | — | Mar 23 – Apr 20 | Sep 1 – Sep 15 |
| Cilantro | — | — | Mar 23 – Apr 13 | Sep 15 – Oct 6 |
| Green Beans | — | — | Apr 13 – May 4 | Aug 25 – Sep 8 |
| Sweet Corn | — | — | Apr 13 – Apr 27 | — |
| Sweet Potatoes | — | Apr 20 – May 11 | — | — |
| Garlic | — | — | — | Oct 27 – Dec 1 |
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 Mc Neal, AZ weather station, 13 km away (elevation 4,170 ft (1,271 m)).
Frost dates near Elfrida
- Pearce Apr 14 · Nov 2
- Fort Huachuca (Cochise) Apr 14 · Nov 2
- Mc Neal Apr 1 · Nov 10
- Douglas Mar 18 · Nov 13
- Pirtleville Mar 18 · Nov 13
- Tombstone Mar 4 · Nov 29
- Bisbee Apr 1 · Nov 10
- Cochise Apr 9 · Oct 31
- Naco Apr 1 · Nov 10
- Dragoon Apr 14 · Nov 2
Frequently asked questions
When is the last frost in Elfrida, AZ?
The median last spring frost in Elfrida, AZ is April 6. There is still about a 10% chance of frost after April 24, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Elfrida, AZ?
The median first fall frost is November 10, with about a 10% chance of frost before October 25.
How long is the growing season in Elfrida, AZ?
About 218 days between the median last spring frost and first fall frost.
What planting zone is Elfrida, AZ?
Elfrida, AZ is in USDA hardiness zone 8b.