Quartzsite, AZ frost dates
Frost is light and occasional here — typically a few cold nights around midwinter (about 12 a year). Cover tender plants when frost is forecast.
How Quartzsite compares
- In a typical year, frost nights in Quartzsite fall between December 6 and January 28. In 1 year in 10 the first frost comes as early as November 22, or the last frost as late as February 24.
- Compared with Lake Havasu City, AZ, 88 km away, the last frost here is 23 days later than there.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | December 31 |
| 50% (median) | January 28 |
| 10% (safe for tender plants) | February 24 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 22 |
| 50% (median) | December 6 |
| 90% (late) | December 26 |
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 Quartzsite, AZ
Quartzsite, AZ frost dates — last frost Jan 28, first frost Dec 6, zone 9a. whenisthelastfrost.com
In mild climates, summer heat limits many crops as much as frost does. Use this calendar for spring planting and lean on fall and winter for cool-season crops.
When to plant vegetables in Quartzsite, AZ
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Nov 5 – Nov 19 | Dec 31 – Jan 14 | — | — |
| Peppers | Nov 19 – Dec 3 | Feb 11 – Feb 25 | — | — |
| Eggplant | Nov 19 – Dec 3 | Feb 11 – Feb 25 | — | — |
| Tomatoes | Dec 3 – Dec 17 | Feb 4 – Feb 18 | — | — |
| Lettuce | Dec 3 – Dec 17 | Jan 7 – Jan 21 | Dec 31 – Feb 4 | Oct 11 – Nov 8 |
| Kale | Dec 3 – Dec 17 | Dec 31 – Jan 14 | Dec 31 – Jan 14 | Sep 27 – Oct 18 |
| Broccoli | Dec 3 – Dec 17 | Jan 14 – Jan 28 | — | Aug 30 – Sep 20 |
| Cabbage | Dec 3 – Dec 17 | Jan 7 – Jan 21 | — | Aug 30 – Sep 20 |
| Cauliflower | Dec 3 – Dec 17 | Jan 14 – Jan 28 | — | Aug 30 – Sep 20 |
| Okra | Dec 17 – Dec 31 | Feb 18 – Mar 4 | Feb 18 – Mar 4 | — |
| Basil | Dec 17 – Dec 31 | Feb 4 – Feb 18 | — | — |
| Peas | — | — | Dec 17 – Jan 7 | Sep 13 – Oct 4 |
| Spinach | — | — | Dec 17 – Jan 7 | Oct 11 – Nov 1 |
| Radishes | — | — | Dec 24 – Feb 4 | Oct 25 – Nov 15 |
| Cucumbers | Dec 31 – Jan 7 | Feb 11 – Feb 18 | Feb 4 – Feb 18 | Sep 20 – Oct 4 |
| Zucchini & Summer Squash | Dec 31 – Jan 7 | — | Feb 4 – Feb 18 | Sep 27 – Oct 11 |
| Winter Squash & Pumpkins | Dec 31 – Jan 7 | — | Feb 4 – Feb 18 | — |
| Melons & Watermelon | Dec 31 – Jan 7 | Feb 11 – Feb 25 | — | — |
| Carrots | — | — | Jan 7 – Feb 4 | Sep 13 – Sep 27 |
| Beets | — | — | Jan 7 – Feb 4 | Sep 27 – Oct 11 |
| Potatoes | — | — | Jan 7 – Jan 28 | — |
| Swiss Chard | — | — | Jan 14 – Feb 11 | Sep 27 – Oct 11 |
| Cilantro | — | — | Jan 14 – Feb 4 | Oct 11 – Nov 1 |
| Green Beans | — | — | Feb 4 – Feb 25 | Sep 20 – Oct 4 |
| Sweet Corn | — | — | Feb 4 – Feb 18 | — |
| Sweet Potatoes | — | Feb 11 – Mar 4 | — | — |
| Garlic | — | — | — | Nov 22 – Dec 27 |
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 Quartzsite, AZ weather station, 4 km away (elevation 876 ft (267 m)).
ZIP codes in Quartzsite: 85346 85359
Frost dates near Quartzsite
- Ehrenberg Jan 4 · Dec 19
- Bouse Feb 18 · Nov 28
- Poston Jan 12 · Dec 19
- Parker Jan 12 · Dec 19
- Cibola Jan 25 · Dec 12
- Salome Mar 17 · Nov 19
- Wenden Mar 4 · Nov 23
- Lake Havasu City Jan 5 · Dec 29
- Aguila Mar 17 · Nov 19
- Roll Feb 13 · Dec 1
Frequently asked questions
When is the last frost in Quartzsite, AZ?
The median last spring frost in Quartzsite, AZ is January 28. There is still about a 10% chance of frost after February 24, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Quartzsite, AZ?
The median first fall frost is December 6, with about a 10% chance of frost before November 22.
How long is the growing season in Quartzsite, AZ?
About 312 days between the median last spring frost and first fall frost.
What planting zone is Quartzsite, AZ?
Quartzsite, AZ is in USDA hardiness zone 9a.