Last frost date in Portsmouth, Virginia
March 23
Average last frost in spring. In an early year (1 in 10) it's over by March 7; in a late year (1 in 10) it comes after April 6.
November 16
Average first frost in fall. 1 year in 10 it comes by November 4.
Source: NOAA U.S. Climate Normals 1991–2020, station Norfolk S (USC00446147), 7.1 miles from Portsmouth, elevation 10 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Mar 7 | Mar 23 | Apr 6 |
| First frost in fall | Nov 4 | Nov 16 | Dec 1 |
Frost-free days in an average year: 239
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Apr 5 | Nov 6 |
| Frost (32°F) | Every year | Mar 23 | Nov 16 |
| Hard freeze (28°F) | Every year | Mar 10 | Dec 1 |
Nights at 32°F or colder in an average year: 51
What to plant now in Portsmouth
- 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 March 20 Portsmouth: March 23
- Fall planting calendar for an average first frost around November 20 Portsmouth: November 16
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 Virginia
- Norfolk 8 mi · last frost Mar 16
- Chesapeake 13 mi · last frost Mar 23
- Hampton 13 mi · last frost Mar 24
- Newport News 18 mi · last frost Apr 1
- Virginia Beach 19 mi · last frost Mar 29
Updated