Hackberry, AZ frost dates
Last spring frostApr 2median date
First fall frostNov 11median date
Growing season223 daysfrost-free
Hardiness zone8aZone 8a
How Hackberry compares
- In 8 years out of 10, the last spring frost in Hackberry falls between March 8 and April 21, a 44-day window. The first fall frost falls between October 26 and November 24.
- The median last frost is 14 days earlier than the Arizona median of Apr 16.
- Its 223-day growing season is longer than 65% of the 193 Arizona places with a regular frost season (state median 197 days).
- The last frost is 4 days later than the zone 8a median of Mar 29. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 8a chart.
- The weather station records an average of 66 nights a year at or below 32°F.
- Nearby Lake Havasu City, AZ, 110 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) | March 8 |
| 50% (median) | April 2 |
| 10% (safe for tender plants) | April 21 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 26 |
| 50% (median) | November 11 |
| 90% (late) | November 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 Hackberry, AZ
Hackberry, AZ frost dates — last frost Apr 2, first frost Nov 11, zone 8a. whenisthelastfrost.com
Crop
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Start indoors: Jan 8 to Jan 22Transplant outside: Mar 5 to Mar 19
Start indoors: Jan 22 to Feb 5Transplant outside: Apr 16 to Apr 30
Start indoors: Jan 22 to Feb 5Transplant outside: Apr 16 to Apr 30
Start indoors: Feb 5 to Feb 19Transplant outside: Apr 9 to Apr 23
Start indoors: Feb 5 to Feb 19Transplant outside: Mar 12 to Mar 26Sow outdoors: Mar 5 to Apr 9Plant for fall: Sep 16 to Oct 14
Start indoors: Feb 5 to Feb 19Transplant outside: Mar 5 to Mar 19Sow outdoors: Mar 5 to Mar 19Plant for fall: Sep 2 to Sep 23
Start indoors: Feb 5 to Feb 19Transplant outside: Mar 19 to Apr 2Plant for fall: Aug 5 to Aug 26
Start indoors: Feb 5 to Feb 19Transplant outside: Mar 12 to Mar 26Plant for fall: Aug 5 to Aug 26
Start indoors: Feb 5 to Feb 19Transplant outside: Mar 19 to Apr 2Plant for fall: Aug 5 to Aug 26
Start indoors: Feb 19 to Mar 5Transplant outside: Apr 23 to May 7Sow outdoors: Apr 23 to May 7
Start indoors: Feb 19 to Mar 5Transplant outside: Apr 9 to Apr 23
Sow outdoors: Feb 19 to Mar 12Plant for fall: Aug 19 to Sep 9
Sow outdoors: Feb 19 to Mar 12Plant for fall: Sep 16 to Oct 7
Sow outdoors: Feb 26 to Apr 9Plant for fall: Sep 30 to Oct 21
Start indoors: Mar 5 to Mar 12Transplant outside: Apr 16 to Apr 23Sow outdoors: Apr 9 to Apr 23Plant for fall: Aug 26 to Sep 9
Start indoors: Mar 5 to Mar 12Sow outdoors: Apr 9 to Apr 23Plant for fall: Sep 2 to Sep 16
Start indoors: Mar 5 to Mar 12Sow outdoors: Apr 9 to Apr 23
Start indoors: Mar 5 to Mar 12Transplant outside: Apr 16 to Apr 30
Sow outdoors: Mar 12 to Apr 9Plant for fall: Aug 19 to Sep 2
Sow outdoors: Mar 12 to Apr 9Plant for fall: Sep 2 to Sep 16
Sow outdoors: Mar 12 to Apr 2
Sow outdoors: Mar 19 to Apr 16Plant for fall: Sep 2 to Sep 16
Sow outdoors: Mar 19 to Apr 9Plant for fall: Sep 16 to Oct 7
Sow outdoors: Apr 9 to Apr 30Plant for fall: Aug 26 to Sep 9
Sow outdoors: Apr 9 to Apr 23
Transplant outside: Apr 16 to May 7
Plant for fall: Oct 28 to Dec 2
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Hackberry, AZ
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 8 – Jan 22 | Mar 5 – Mar 19 | — | — |
| Peppers | Jan 22 – Feb 5 | Apr 16 – Apr 30 | — | — |
| Eggplant | Jan 22 – Feb 5 | Apr 16 – Apr 30 | — | — |
| Tomatoes | Feb 5 – Feb 19 | Apr 9 – Apr 23 | — | — |
| Lettuce | Feb 5 – Feb 19 | Mar 12 – Mar 26 | Mar 5 – Apr 9 | Sep 16 – Oct 14 |
| Kale | Feb 5 – Feb 19 | Mar 5 – Mar 19 | Mar 5 – Mar 19 | Sep 2 – Sep 23 |
| Broccoli | Feb 5 – Feb 19 | Mar 19 – Apr 2 | — | Aug 5 – Aug 26 |
| Cabbage | Feb 5 – Feb 19 | Mar 12 – Mar 26 | — | Aug 5 – Aug 26 |
| Cauliflower | Feb 5 – Feb 19 | Mar 19 – Apr 2 | — | Aug 5 – Aug 26 |
| Okra | Feb 19 – Mar 5 | Apr 23 – May 7 | Apr 23 – May 7 | — |
| Basil | Feb 19 – Mar 5 | Apr 9 – Apr 23 | — | — |
| Peas | — | — | Feb 19 – Mar 12 | Aug 19 – Sep 9 |
| Spinach | — | — | Feb 19 – Mar 12 | Sep 16 – Oct 7 |
| Radishes | — | — | Feb 26 – Apr 9 | Sep 30 – Oct 21 |
| Cucumbers | Mar 5 – Mar 12 | Apr 16 – Apr 23 | Apr 9 – Apr 23 | Aug 26 – Sep 9 |
| Zucchini & Summer Squash | Mar 5 – Mar 12 | — | Apr 9 – Apr 23 | Sep 2 – Sep 16 |
| Winter Squash & Pumpkins | Mar 5 – Mar 12 | — | Apr 9 – Apr 23 | — |
| Melons & Watermelon | Mar 5 – Mar 12 | Apr 16 – Apr 30 | — | — |
| Carrots | — | — | Mar 12 – Apr 9 | Aug 19 – Sep 2 |
| Beets | — | — | Mar 12 – Apr 9 | Sep 2 – Sep 16 |
| Potatoes | — | — | Mar 12 – Apr 2 | — |
| Swiss Chard | — | — | Mar 19 – Apr 16 | Sep 2 – Sep 16 |
| Cilantro | — | — | Mar 19 – Apr 9 | Sep 16 – Oct 7 |
| Green Beans | — | — | Apr 9 – Apr 30 | Aug 26 – Sep 9 |
| Sweet Corn | — | — | Apr 9 – Apr 23 | — |
| Sweet Potatoes | — | Apr 16 – May 7 | — | — |
| Garlic | — | — | — | Oct 28 – Dec 2 |
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 Kingman Mohave Co Ap, AZ weather station, 22 km away (elevation 3,419 ft (1,042 m)).
Frost dates near Hackberry
- Valentine May 17 · Oct 10
- Hualapai Apr 2 · Nov 11
- Kingman (Mohave) Apr 2 · Nov 11
- Kingman Apr 2 · Nov 11
- Peach Springs May 17 · Oct 10
- Temple Bar Marina Apr 2 · Nov 11
- Chloride Apr 2 · Nov 11
- Golden Valley Apr 2 · Nov 11
- Dolan Springs Jan 7 · Dec 29
- Yucca Feb 18 · Dec 2
Frequently asked questions
When is the last frost in Hackberry, AZ?
The median last spring frost in Hackberry, AZ is April 2. There is still about a 10% chance of frost after April 21, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Hackberry, AZ?
The median first fall frost is November 11, with about a 10% chance of frost before October 26.
How long is the growing season in Hackberry, AZ?
About 223 days between the median last spring frost and first fall frost.
What planting zone is Hackberry, AZ?
Hackberry, AZ is in USDA hardiness zone 8a.