Frost dates for 85901 — Show Low, AZ
Last spring frostMay 5median date
First fall frostOct 15median date
Growing season163 daysfrost-free
Hardiness zone7aZone 7a
How Show Low compares
- In 8 years out of 10, the last spring frost in Show Low falls between April 21 and May 20, a 29-day window. The first fall frost falls between October 2 and October 28.
- The median last frost is 19 days later than the Arizona median of Apr 16.
- Its 163-day growing season is longer than 31% of the 193 Arizona places with a regular frost season (state median 197 days).
- The last frost is 19 days later than the zone 7a median of Apr 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 7a chart.
- The weather station records an average of 121 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 21 |
| 50% (median) | May 5 |
| 10% (safe for tender plants) | May 20 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 2 |
| 50% (median) | October 15 |
| 90% (late) | October 28 |
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 Show Low, AZ
Frost dates for 85901 — Show Low, AZ — last frost May 5, first frost Oct 15, zone 7a. whenisthelastfrost.com
Crop
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Start indoors: Feb 10 to Feb 24Transplant outside: Apr 7 to Apr 21
Start indoors: Feb 24 to Mar 10Transplant outside: May 19 to Jun 2
Start indoors: Feb 24 to Mar 10Transplant outside: May 19 to Jun 2
Start indoors: Mar 10 to Mar 24Transplant outside: May 12 to May 26
Start indoors: Mar 10 to Mar 24Transplant outside: Apr 14 to Apr 28Sow outdoors: Apr 7 to May 12Plant for fall: Aug 20 to Sep 17
Start indoors: Mar 10 to Mar 24Transplant outside: Apr 7 to Apr 21Sow outdoors: Apr 7 to Apr 21Plant for fall: Aug 6 to Aug 27
Start indoors: Mar 10 to Mar 24Transplant outside: Apr 21 to May 5Plant for fall: Jul 9 to Jul 30
Start indoors: Mar 10 to Mar 24Transplant outside: Apr 14 to Apr 28Plant for fall: Jul 9 to Jul 30
Start indoors: Mar 10 to Mar 24Transplant outside: Apr 21 to May 5Plant for fall: Jul 9 to Jul 30
Start indoors: Mar 24 to Apr 7Transplant outside: May 26 to Jun 9Sow outdoors: May 26 to Jun 9
Start indoors: Mar 24 to Apr 7Transplant outside: May 12 to May 26
Sow outdoors: Mar 24 to Apr 14Plant for fall: Jul 23 to Aug 13
Sow outdoors: Mar 24 to Apr 14Plant for fall: Aug 20 to Sep 10
Sow outdoors: Mar 31 to May 12Plant for fall: Sep 3 to Sep 24
Start indoors: Apr 7 to Apr 14Transplant outside: May 19 to May 26Sow outdoors: May 12 to May 26Plant for fall: Jul 30 to Aug 13
Start indoors: Apr 7 to Apr 14Sow outdoors: May 12 to May 26Plant for fall: Aug 6 to Aug 20
Start indoors: Apr 7 to Apr 14Sow outdoors: May 12 to May 26
Start indoors: Apr 7 to Apr 14Transplant outside: May 19 to Jun 2
Sow outdoors: Apr 14 to May 12Plant for fall: Jul 23 to Aug 6
Sow outdoors: Apr 14 to May 12Plant for fall: Aug 6 to Aug 20
Sow outdoors: Apr 14 to May 5
Sow outdoors: Apr 21 to May 19Plant for fall: Aug 6 to Aug 20
Sow outdoors: Apr 21 to May 12Plant for fall: Aug 20 to Sep 10
Sow outdoors: May 12 to Jun 2Plant for fall: Jul 30 to Aug 13
Sow outdoors: May 12 to May 26
Transplant outside: May 19 to Jun 9
Plant for fall: Oct 1 to Nov 5
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Show Low, AZ
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 10 – Feb 24 | Apr 7 – Apr 21 | — | — |
| Peppers | Feb 24 – Mar 10 | May 19 – Jun 2 | — | — |
| Eggplant | Feb 24 – Mar 10 | May 19 – Jun 2 | — | — |
| Tomatoes | Mar 10 – Mar 24 | May 12 – May 26 | — | — |
| Lettuce | Mar 10 – Mar 24 | Apr 14 – Apr 28 | Apr 7 – May 12 | Aug 20 – Sep 17 |
| Kale | Mar 10 – Mar 24 | Apr 7 – Apr 21 | Apr 7 – Apr 21 | Aug 6 – Aug 27 |
| Broccoli | Mar 10 – Mar 24 | Apr 21 – May 5 | — | Jul 9 – Jul 30 |
| Cabbage | Mar 10 – Mar 24 | Apr 14 – Apr 28 | — | Jul 9 – Jul 30 |
| Cauliflower | Mar 10 – Mar 24 | Apr 21 – May 5 | — | Jul 9 – Jul 30 |
| Okra | Mar 24 – Apr 7 | May 26 – Jun 9 | May 26 – Jun 9 | — |
| Basil | Mar 24 – Apr 7 | May 12 – May 26 | — | — |
| Peas | — | — | Mar 24 – Apr 14 | Jul 23 – Aug 13 |
| Spinach | — | — | Mar 24 – Apr 14 | Aug 20 – Sep 10 |
| Radishes | — | — | Mar 31 – May 12 | Sep 3 – Sep 24 |
| Cucumbers | Apr 7 – Apr 14 | May 19 – May 26 | May 12 – May 26 | Jul 30 – Aug 13 |
| Zucchini & Summer Squash | Apr 7 – Apr 14 | — | May 12 – May 26 | Aug 6 – Aug 20 |
| Winter Squash & Pumpkins | Apr 7 – Apr 14 | — | May 12 – May 26 | — |
| Melons & Watermelon | Apr 7 – Apr 14 | May 19 – Jun 2 | — | — |
| Carrots | — | — | Apr 14 – May 12 | Jul 23 – Aug 6 |
| Beets | — | — | Apr 14 – May 12 | Aug 6 – Aug 20 |
| Potatoes | — | — | Apr 14 – May 5 | — |
| Swiss Chard | — | — | Apr 21 – May 19 | Aug 6 – Aug 20 |
| Cilantro | — | — | Apr 21 – May 12 | Aug 20 – Sep 10 |
| Green Beans | — | — | May 12 – Jun 2 | Jul 30 – Aug 13 |
| Sweet Corn | — | — | May 12 – May 26 | — |
| Sweet Potatoes | — | May 19 – Jun 9 | — | — |
| Garlic | — | — | — | Oct 1 – Nov 5 |
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 Show Low Ap, AZ weather station, 4 km away (elevation 6,411 ft (1,954 m)).
ZIP codes in Show Low: 85901 85902
Frost dates near Show Low
- Lakeside May 22 · Oct 6
- Taylor May 11 · Oct 10
- White Mountain Lake May 5 · Oct 15
- Pinetop May 22 · Oct 6
- Pinedale May 5 · Oct 15
- Snowflake May 11 · Oct 10
- Clay Springs May 23 · Oct 5
- Mcnary May 20 · Oct 11
Frequently asked questions
When is the last frost in Show Low, AZ?
The median last spring frost in Show Low, AZ is May 5. There is still about a 10% chance of frost after May 20, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Show Low, AZ?
The median first fall frost is October 15, with about a 10% chance of frost before October 2.
How long is the growing season in Show Low, AZ?
About 163 days between the median last spring frost and first fall frost.
What planting zone is Show Low, AZ?
Show Low, AZ is in USDA hardiness zone 7a.