Aguila, AZ frost dates
Last spring frostMar 17median date
First fall frostNov 19median date
Growing season247 daysfrost-free
Hardiness zone9aZone 9a
How Aguila compares
- In 8 years out of 10, the last spring frost in Aguila falls between February 18 and April 12, a 53-day window. The first fall frost falls between November 5 and December 1.
- The median last frost is 30 days earlier than the Arizona median of Apr 16.
- Its 247-day growing season is longer than 80% of the 193 Arizona places with a regular frost season (state median 197 days).
- The last frost is 14 days later 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 42 nights a year at or below 32°F.
- Nearby Surprise, AZ, 83 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) | February 18 |
| 50% (median) | March 17 |
| 10% (safe for tender plants) | April 12 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 5 |
| 50% (median) | November 19 |
| 90% (late) | December 1 |
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 Aguila, AZ
Aguila, AZ frost dates — last frost Mar 17, first frost Nov 19, zone 9a. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Dec 23 to Jan 6Start indoors: Dec 23 to Jan 6Transplant outside: Feb 17 to Mar 3
Start indoors: Jan 6 to Jan 20Transplant outside: Mar 31 to Apr 14
Start indoors: Jan 6 to Jan 20Transplant outside: Mar 31 to Apr 14
Start indoors: Jan 20 to Feb 3Transplant outside: Mar 24 to Apr 7
Start indoors: Jan 20 to Feb 3Transplant outside: Feb 24 to Mar 10Sow outdoors: Feb 17 to Mar 24Plant for fall: Sep 24 to Oct 22
Start indoors: Jan 20 to Feb 3Transplant outside: Feb 17 to Mar 3Sow outdoors: Feb 17 to Mar 3Plant for fall: Sep 10 to Oct 1
Start indoors: Jan 20 to Feb 3Transplant outside: Mar 3 to Mar 17Plant for fall: Aug 13 to Sep 3
Start indoors: Jan 20 to Feb 3Transplant outside: Feb 24 to Mar 10Plant for fall: Aug 13 to Sep 3
Start indoors: Jan 20 to Feb 3Transplant outside: Mar 3 to Mar 17Plant for fall: Aug 13 to Sep 3
Start indoors: Feb 3 to Feb 17Transplant outside: Apr 7 to Apr 21Sow outdoors: Apr 7 to Apr 21
Start indoors: Feb 3 to Feb 17Transplant outside: Mar 24 to Apr 7
Sow outdoors: Feb 3 to Feb 24Plant for fall: Aug 27 to Sep 17
Sow outdoors: Feb 3 to Feb 24Plant for fall: Sep 24 to Oct 15
Sow outdoors: Feb 10 to Mar 24Plant for fall: Oct 8 to Oct 29
Start indoors: Feb 17 to Feb 24Transplant outside: Mar 31 to Apr 7Sow outdoors: Mar 24 to Apr 7Plant for fall: Sep 3 to Sep 17
Start indoors: Feb 17 to Feb 24Sow outdoors: Mar 24 to Apr 7Plant for fall: Sep 10 to Sep 24
Start indoors: Feb 17 to Feb 24Sow outdoors: Mar 24 to Apr 7
Start indoors: Feb 17 to Feb 24Transplant outside: Mar 31 to Apr 14
Sow outdoors: Feb 24 to Mar 24Plant for fall: Aug 27 to Sep 10
Sow outdoors: Feb 24 to Mar 24Plant for fall: Sep 10 to Sep 24
Sow outdoors: Feb 24 to Mar 17
Sow outdoors: Mar 3 to Mar 31Plant for fall: Sep 10 to Sep 24
Sow outdoors: Mar 3 to Mar 24Plant for fall: Sep 24 to Oct 15
Sow outdoors: Mar 24 to Apr 14Plant for fall: Sep 3 to Sep 17
Sow outdoors: Mar 24 to Apr 7
Transplant outside: Mar 31 to Apr 21
Plant for fall: Nov 5 to Dec 10
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Aguila, AZ
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 23 – Jan 6 | Feb 17 – Mar 3 | — | — |
| Peppers | Jan 6 – Jan 20 | Mar 31 – Apr 14 | — | — |
| Eggplant | Jan 6 – Jan 20 | Mar 31 – Apr 14 | — | — |
| Tomatoes | Jan 20 – Feb 3 | Mar 24 – Apr 7 | — | — |
| Lettuce | Jan 20 – Feb 3 | Feb 24 – Mar 10 | Feb 17 – Mar 24 | Sep 24 – Oct 22 |
| Kale | Jan 20 – Feb 3 | Feb 17 – Mar 3 | Feb 17 – Mar 3 | Sep 10 – Oct 1 |
| Broccoli | Jan 20 – Feb 3 | Mar 3 – Mar 17 | — | Aug 13 – Sep 3 |
| Cabbage | Jan 20 – Feb 3 | Feb 24 – Mar 10 | — | Aug 13 – Sep 3 |
| Cauliflower | Jan 20 – Feb 3 | Mar 3 – Mar 17 | — | Aug 13 – Sep 3 |
| Okra | Feb 3 – Feb 17 | Apr 7 – Apr 21 | Apr 7 – Apr 21 | — |
| Basil | Feb 3 – Feb 17 | Mar 24 – Apr 7 | — | — |
| Peas | — | — | Feb 3 – Feb 24 | Aug 27 – Sep 17 |
| Spinach | — | — | Feb 3 – Feb 24 | Sep 24 – Oct 15 |
| Radishes | — | — | Feb 10 – Mar 24 | Oct 8 – Oct 29 |
| Cucumbers | Feb 17 – Feb 24 | Mar 31 – Apr 7 | Mar 24 – Apr 7 | Sep 3 – Sep 17 |
| Zucchini & Summer Squash | Feb 17 – Feb 24 | — | Mar 24 – Apr 7 | Sep 10 – Sep 24 |
| Winter Squash & Pumpkins | Feb 17 – Feb 24 | — | Mar 24 – Apr 7 | — |
| Melons & Watermelon | Feb 17 – Feb 24 | Mar 31 – Apr 14 | — | — |
| Carrots | — | — | Feb 24 – Mar 24 | Aug 27 – Sep 10 |
| Beets | — | — | Feb 24 – Mar 24 | Sep 10 – Sep 24 |
| Potatoes | — | — | Feb 24 – Mar 17 | — |
| Swiss Chard | — | — | Mar 3 – Mar 31 | Sep 10 – Sep 24 |
| Cilantro | — | — | Mar 3 – Mar 24 | Sep 24 – Oct 15 |
| Green Beans | — | — | Mar 24 – Apr 14 | Sep 3 – Sep 17 |
| Sweet Corn | — | — | Mar 24 – Apr 7 | — |
| Sweet Potatoes | — | Mar 31 – Apr 21 | — | — |
| Garlic | — | — | — | Nov 5 – Dec 10 |
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 Aguila, AZ weather station, 4 km away (elevation 2,165 ft (660 m)).
Frost dates near Aguila
- Wenden Mar 4 · Nov 23
- Salome Mar 17 · Nov 19
- Wickenburg Mar 7 · Nov 20
- Congress Mar 7 · Nov 20
- Morristown Feb 5 · Dec 11
- Yarnell Mar 7 · Nov 20
- Wittmann Feb 5 · Dec 11
- Tonopah Jan 21 · Dec 15
- Kirkland Apr 7 · Nov 12
- Bouse Feb 18 · Nov 28
Frequently asked questions
When is the last frost in Aguila, AZ?
The median last spring frost in Aguila, AZ is March 17. There is still about a 10% chance of frost after April 12, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Aguila, AZ?
The median first fall frost is November 19, with about a 10% chance of frost before November 5.
How long is the growing season in Aguila, AZ?
About 247 days between the median last spring frost and first fall frost.
What planting zone is Aguila, AZ?
Aguila, AZ is in USDA hardiness zone 9a.