Last frost date in Martinez, California
February 28
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 April 5.
November 22
Average first frost in fall. 1 year in 10 it comes by November 7.
Source: NOAA U.S. Climate Normals 1991–2020, station Martinez Wtp (USC00045378), 1 miles from Martinez, elevation 40 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 28 | Apr 5 |
| First frost in fall | Nov 7 | Nov 22 | Dec 10 |
Frost-free days in an average year: 266
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Apr 10 | Nov 7 |
| Frost (32°F) | Every year | Feb 28 | Nov 22 |
| Hard freeze (28°F) | 9 years in 10 | Jan 23 | Dec 9 |
Nights at 32°F or colder in an average year: 16
What to plant now in Martinez
- 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 28 Martinez: February 28
- Fall planting calendar for an average first frost around November 20 Martinez: November 22
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 California
- Concord 6 mi · last frost Jan 9
- Walnut Creek 8 mi · last frost Jan 7
- Vallejo 11 mi · last frost Jan 17
- Berkeley 14 mi · last frost Jan 3
- Richmond 14 mi · last frost Jan 4
Updated