Last frost date in Maricopa, Arizona
February 23
Average last frost in spring. In an early year (1 in 10) it's over by January 29; in a late year (1 in 10) it comes after March 15.
November 24
Average first frost in fall. 1 year in 10 it comes by November 10.
Source: NOAA U.S. Climate Normals 1991–2020, station Maricopa 4 N (USC00025270), 5.3 miles from Maricopa, elevation 1,160 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Jan 29 | Feb 23 | Mar 15 |
| First frost in fall | Nov 10 | Nov 24 | Dec 8 |
Frost-free days in an average year: 274
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Mar 12 | Nov 14 |
| Frost (32°F) | Every year | Feb 23 | Nov 24 |
| Hard freeze (28°F) | 10 years in 10 | Feb 2 | Dec 6 |
Nights at 32°F or colder in an average year: 32
What to plant now in Maricopa
- Collards plantsAug 25 – Nov 1Now
- BeetsSept 1 – Dec 1Now
- Cabbage plantsSept 1 – Dec 1Now
- CarrotsSept 1 – Nov 1Now
- DandelionSept 1 – Nov 1Now
- Head lettuce plantsSept 1 – Nov 1Now
- Leaf lettuceSept 1 – Nov 1Now
- LeeksSept 1 – Nov 1Now
- Mustard greensSept 1 – Dec 1Now
- Onion seedSept 1 – Nov 1Now
- ParsleySept 1 – Dec 31Now
- RadishesSept 1 – Dec 1Now
- TurnipsSept 1 – Nov 15Now
- Corn saladOct 1 – Dec 1Now
- Garden peasOct 1 – Dec 1Now
- Onion plants plantsOct 1 – Dec 31Now
- SpinachOct 1 – Dec 1Now
- Upland cressOct 1 – Dec 1Now
- Chervil and chivesNov 1 – Dec 31Soon
- Onion setsNov 1 – Dec 31Soon
- Spring planting calendar for an average last frost around February 18 Maricopa: February 23
- Fall planting calendar for an average first frost around November 20 Maricopa: November 24
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.
Nearby in Arizona
- Casa Grande 17 mi · last frost Feb 5
- Chandler 19 mi · last frost Feb 13
- Gilbert 24 mi · last frost Feb 1
- Goodyear 26 mi · last frost Jan 14
- Coolidge 29 mi · last frost Feb 17
Updated