Young, AZ frost dates
Last spring frostMay 6median date
First fall frostOct 20median date
Growing season167 daysfrost-free
Hardiness zone8aZone 8a
How Young compares
- In 8 years out of 10, the last spring frost in Young falls between April 20 and May 28, a 38-day window. The first fall frost falls between October 6 and November 2.
- The median last frost is 20 days later than the Arizona median of Apr 16.
- Its 167-day growing season is longer than 34% of the 193 Arizona places with a regular frost season (state median 197 days).
- The last frost is 38 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 157 nights a year at or below 32°F.
- Nearby Scottsdale, AZ, 104 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) | April 20 |
| 50% (median) | May 6 |
| 10% (safe for tender plants) | May 28 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 6 |
| 50% (median) | October 20 |
| 90% (late) | November 2 |
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 Young, AZ
Young, AZ frost dates — last frost May 6, first frost Oct 20, zone 8a. whenisthelastfrost.com
Crop
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Start indoors: Feb 11 to Feb 25Transplant outside: Apr 8 to Apr 22
Start indoors: Feb 25 to Mar 11Transplant outside: May 20 to Jun 3
Start indoors: Feb 25 to Mar 11Transplant outside: May 20 to Jun 3
Start indoors: Mar 11 to Mar 25Transplant outside: May 13 to May 27
Start indoors: Mar 11 to Mar 25Transplant outside: Apr 15 to Apr 29Sow outdoors: Apr 8 to May 13Plant for fall: Aug 25 to Sep 22
Start indoors: Mar 11 to Mar 25Transplant outside: Apr 8 to Apr 22Sow outdoors: Apr 8 to Apr 22Plant for fall: Aug 11 to Sep 1
Start indoors: Mar 11 to Mar 25Transplant outside: Apr 22 to May 6Plant for fall: Jul 14 to Aug 4
Start indoors: Mar 11 to Mar 25Transplant outside: Apr 15 to Apr 29Plant for fall: Jul 14 to Aug 4
Start indoors: Mar 11 to Mar 25Transplant outside: Apr 22 to May 6Plant for fall: Jul 14 to Aug 4
Start indoors: Mar 25 to Apr 8Transplant outside: May 27 to Jun 10Sow outdoors: May 27 to Jun 10
Start indoors: Mar 25 to Apr 8Transplant outside: May 13 to May 27
Sow outdoors: Mar 25 to Apr 15Plant for fall: Jul 28 to Aug 18
Sow outdoors: Mar 25 to Apr 15Plant for fall: Aug 25 to Sep 15
Sow outdoors: Apr 1 to May 13Plant for fall: Sep 8 to Sep 29
Start indoors: Apr 8 to Apr 15Transplant outside: May 20 to May 27Sow outdoors: May 13 to May 27Plant for fall: Aug 4 to Aug 18
Start indoors: Apr 8 to Apr 15Sow outdoors: May 13 to May 27Plant for fall: Aug 11 to Aug 25
Start indoors: Apr 8 to Apr 15Sow outdoors: May 13 to May 27
Start indoors: Apr 8 to Apr 15Transplant outside: May 20 to Jun 3
Sow outdoors: Apr 15 to May 13Plant for fall: Jul 28 to Aug 11
Sow outdoors: Apr 15 to May 13Plant for fall: Aug 11 to Aug 25
Sow outdoors: Apr 15 to May 6
Sow outdoors: Apr 22 to May 20Plant for fall: Aug 11 to Aug 25
Sow outdoors: Apr 22 to May 13Plant for fall: Aug 25 to Sep 15
Sow outdoors: May 13 to Jun 3Plant for fall: Aug 4 to Aug 18
Sow outdoors: May 13 to May 27
Transplant outside: May 20 to Jun 10
Plant for fall: Oct 6 to Nov 10
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Young, AZ
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 11 – Feb 25 | Apr 8 – Apr 22 | — | — |
| Peppers | Feb 25 – Mar 11 | May 20 – Jun 3 | — | — |
| Eggplant | Feb 25 – Mar 11 | May 20 – Jun 3 | — | — |
| Tomatoes | Mar 11 – Mar 25 | May 13 – May 27 | — | — |
| Lettuce | Mar 11 – Mar 25 | Apr 15 – Apr 29 | Apr 8 – May 13 | Aug 25 – Sep 22 |
| Kale | Mar 11 – Mar 25 | Apr 8 – Apr 22 | Apr 8 – Apr 22 | Aug 11 – Sep 1 |
| Broccoli | Mar 11 – Mar 25 | Apr 22 – May 6 | — | Jul 14 – Aug 4 |
| Cabbage | Mar 11 – Mar 25 | Apr 15 – Apr 29 | — | Jul 14 – Aug 4 |
| Cauliflower | Mar 11 – Mar 25 | Apr 22 – May 6 | — | Jul 14 – Aug 4 |
| Okra | Mar 25 – Apr 8 | May 27 – Jun 10 | May 27 – Jun 10 | — |
| Basil | Mar 25 – Apr 8 | May 13 – May 27 | — | — |
| Peas | — | — | Mar 25 – Apr 15 | Jul 28 – Aug 18 |
| Spinach | — | — | Mar 25 – Apr 15 | Aug 25 – Sep 15 |
| Radishes | — | — | Apr 1 – May 13 | Sep 8 – Sep 29 |
| Cucumbers | Apr 8 – Apr 15 | May 20 – May 27 | May 13 – May 27 | Aug 4 – Aug 18 |
| Zucchini & Summer Squash | Apr 8 – Apr 15 | — | May 13 – May 27 | Aug 11 – Aug 25 |
| Winter Squash & Pumpkins | Apr 8 – Apr 15 | — | May 13 – May 27 | — |
| Melons & Watermelon | Apr 8 – Apr 15 | May 20 – Jun 3 | — | — |
| Carrots | — | — | Apr 15 – May 13 | Jul 28 – Aug 11 |
| Beets | — | — | Apr 15 – May 13 | Aug 11 – Aug 25 |
| Potatoes | — | — | Apr 15 – May 6 | — |
| Swiss Chard | — | — | Apr 22 – May 20 | Aug 11 – Aug 25 |
| Cilantro | — | — | Apr 22 – May 13 | Aug 25 – Sep 15 |
| Green Beans | — | — | May 13 – Jun 3 | Aug 4 – Aug 18 |
| Sweet Corn | — | — | May 13 – May 27 | — |
| Sweet Potatoes | — | May 20 – Jun 10 | — | — |
| Garlic | — | — | — | Oct 6 – Nov 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 Pleasant Valley, AZ weather station, about 1 km away (elevation 5,184 ft (1,580 m)).
Frost dates near Young
- Payson Apr 29 · Oct 24
- Forest Lakes May 23 · Oct 5
- Tonto Basin Mar 7 · Nov 20
- Cibecue May 23 · Oct 5
- Heber May 23 · Oct 5
- Overgaard May 23 · Oct 5
- Roosevelt Jan 17 · Dec 25
- Pine Apr 9 · Nov 10
- Clay Springs May 23 · Oct 5
- Pinedale May 5 · Oct 15
Frequently asked questions
When is the last frost in Young, AZ?
The median last spring frost in Young, AZ is May 6. There is still about a 10% chance of frost after May 28, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Young, AZ?
The median first fall frost is October 20, with about a 10% chance of frost before October 6.
How long is the growing season in Young, AZ?
About 167 days between the median last spring frost and first fall frost.
What planting zone is Young, AZ?
Young, AZ is in USDA hardiness zone 8a.