Ganado, AZ frost dates
Last spring frostMay 15median date
First fall frostOct 10median date
Growing season148 daysfrost-free
Hardiness zone6bZone 6b
How Ganado compares
- In 8 years out of 10, the last spring frost in Ganado falls between April 30 and June 1, a 32-day window. The first fall frost falls between September 28 and October 24.
- The median last frost is 29 days later than the Arizona median of Apr 16.
- Its 148-day growing season is longer than 24% of the 193 Arizona places with a regular frost season (state median 197 days).
- The last frost is 23 days later than the zone 6b median of Apr 22. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 6b chart.
- The weather station records an average of 174 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 30 |
| 50% (median) | May 15 |
| 10% (safe for tender plants) | June 1 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 28 |
| 50% (median) | October 10 |
| 90% (late) | October 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 Ganado, AZ
Ganado, AZ frost dates — last frost May 15, first frost Oct 10, zone 6b. whenisthelastfrost.com
Crop
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Start indoors: Feb 20 to Mar 6Transplant outside: Apr 17 to May 1
Start indoors: Mar 6 to Mar 20Transplant outside: May 29 to Jun 12
Start indoors: Mar 6 to Mar 20Transplant outside: May 29 to Jun 12
Start indoors: Mar 20 to Apr 3Transplant outside: May 22 to Jun 5
Start indoors: Mar 20 to Apr 3Transplant outside: Apr 24 to May 8Sow outdoors: Apr 17 to May 22Plant for fall: Aug 15 to Sep 12
Start indoors: Mar 20 to Apr 3Transplant outside: Apr 17 to May 1Sow outdoors: Apr 17 to May 1Plant for fall: Aug 1 to Aug 22
Start indoors: Mar 20 to Apr 3Transplant outside: May 1 to May 15Plant for fall: Jul 4 to Jul 25
Start indoors: Mar 20 to Apr 3Transplant outside: Apr 24 to May 8Plant for fall: Jul 4 to Jul 25
Start indoors: Mar 20 to Apr 3Transplant outside: May 1 to May 15Plant for fall: Jul 4 to Jul 25
Start indoors: Apr 3 to Apr 17Transplant outside: Jun 5 to Jun 19Sow outdoors: Jun 5 to Jun 19
Start indoors: Apr 3 to Apr 17Transplant outside: May 22 to Jun 5
Sow outdoors: Apr 3 to Apr 24Plant for fall: Jul 18 to Aug 8
Sow outdoors: Apr 3 to Apr 24Plant for fall: Aug 15 to Sep 5
Sow outdoors: Apr 10 to May 22Plant for fall: Aug 29 to Sep 19
Start indoors: Apr 17 to Apr 24Transplant outside: May 29 to Jun 5Sow outdoors: May 22 to Jun 5Plant for fall: Jul 25 to Aug 8
Start indoors: Apr 17 to Apr 24Sow outdoors: May 22 to Jun 5Plant for fall: Aug 1 to Aug 15
Start indoors: Apr 17 to Apr 24Sow outdoors: May 22 to Jun 5
Start indoors: Apr 17 to Apr 24Transplant outside: May 29 to Jun 12
Sow outdoors: Apr 24 to May 22Plant for fall: Jul 18 to Aug 1
Sow outdoors: Apr 24 to May 22Plant for fall: Aug 1 to Aug 15
Sow outdoors: Apr 24 to May 15
Sow outdoors: May 1 to May 29Plant for fall: Aug 1 to Aug 15
Sow outdoors: May 1 to May 22Plant for fall: Aug 15 to Sep 5
Sow outdoors: May 22 to Jun 12Plant for fall: Jul 25 to Aug 8
Sow outdoors: May 22 to Jun 5
Transplant outside: May 29 to Jun 19
Plant for fall: Sep 26 to Oct 31
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Ganado, AZ
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 20 – Mar 6 | Apr 17 – May 1 | — | — |
| Peppers | Mar 6 – Mar 20 | May 29 – Jun 12 | — | — |
| Eggplant | Mar 6 – Mar 20 | May 29 – Jun 12 | — | — |
| Tomatoes | Mar 20 – Apr 3 | May 22 – Jun 5 | — | — |
| Lettuce | Mar 20 – Apr 3 | Apr 24 – May 8 | Apr 17 – May 22 | Aug 15 – Sep 12 |
| Kale | Mar 20 – Apr 3 | Apr 17 – May 1 | Apr 17 – May 1 | Aug 1 – Aug 22 |
| Broccoli | Mar 20 – Apr 3 | May 1 – May 15 | — | Jul 4 – Jul 25 |
| Cabbage | Mar 20 – Apr 3 | Apr 24 – May 8 | — | Jul 4 – Jul 25 |
| Cauliflower | Mar 20 – Apr 3 | May 1 – May 15 | — | Jul 4 – Jul 25 |
| Okra | Apr 3 – Apr 17 | Jun 5 – Jun 19 | Jun 5 – Jun 19 | — |
| Basil | Apr 3 – Apr 17 | May 22 – Jun 5 | — | — |
| Peas | — | — | Apr 3 – Apr 24 | Jul 18 – Aug 8 |
| Spinach | — | — | Apr 3 – Apr 24 | Aug 15 – Sep 5 |
| Radishes | — | — | Apr 10 – May 22 | Aug 29 – Sep 19 |
| Cucumbers | Apr 17 – Apr 24 | May 29 – Jun 5 | May 22 – Jun 5 | Jul 25 – Aug 8 |
| Zucchini & Summer Squash | Apr 17 – Apr 24 | — | May 22 – Jun 5 | Aug 1 – Aug 15 |
| Winter Squash & Pumpkins | Apr 17 – Apr 24 | — | May 22 – Jun 5 | — |
| Melons & Watermelon | Apr 17 – Apr 24 | May 29 – Jun 12 | — | — |
| Carrots | — | — | Apr 24 – May 22 | Jul 18 – Aug 1 |
| Beets | — | — | Apr 24 – May 22 | Aug 1 – Aug 15 |
| Potatoes | — | — | Apr 24 – May 15 | — |
| Swiss Chard | — | — | May 1 – May 29 | Aug 1 – Aug 15 |
| Cilantro | — | — | May 1 – May 22 | Aug 15 – Sep 5 |
| Green Beans | — | — | May 22 – Jun 12 | Jul 25 – Aug 8 |
| Sweet Corn | — | — | May 22 – Jun 5 | — |
| Sweet Potatoes | — | May 29 – Jun 19 | — | — |
| Garlic | — | — | — | Sep 26 – Oct 31 |
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 Ganado, AZ weather station, about 1 km away (elevation 6,339 ft (1,932 m)).
Frost dates near Ganado
- Nazlini May 15 · Oct 10
- Saint Michaels May 29 · Sep 28
- Window Rock May 29 · Sep 28
- Fort Defiance May 29 · Sep 28
- Chinle May 6 · Oct 8
- Chambers May 22 · Oct 8
- Petrified Forest Natl Pk May 22 · Oct 8
- Red Valley May 22 · Oct 8
- Houck May 22 · Oct 8
- Sanders May 22 · Oct 8
Frequently asked questions
When is the last frost in Ganado, AZ?
The median last spring frost in Ganado, AZ is May 15. There is still about a 10% chance of frost after June 1, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Ganado, AZ?
The median first fall frost is October 10, with about a 10% chance of frost before September 28.
How long is the growing season in Ganado, AZ?
About 148 days between the median last spring frost and first fall frost.
What planting zone is Ganado, AZ?
Ganado, AZ is in USDA hardiness zone 6b.