Last frost date in Frederick, Maryland
April 2
Average last frost in spring. In an early year (1 in 10) it's over by March 17; in a late year (1 in 10) it comes after April 15.
November 6
Average first frost in fall. 1 year in 10 it comes by October 23.
Source: NOAA U.S. Climate Normals 1991–2020, station Frederick Police Brks (USC00183348), 1.8 miles from Frederick, elevation 380 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 17 | Apr 2 | Apr 15 |
| First frost in fall | Oct 23 | Nov 6 | Nov 24 |
Frost-free days in an average year: 218
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Apr 15 | Oct 24 |
| Frost (32°F) | Every year | Apr 2 | Nov 6 |
| Hard freeze (28°F) | Every year | Mar 21 | Nov 21 |
Nights at 32°F or colder in an average year: 84
What to plant now in Frederick
- Mustard greensAug 15 – Nov 1Now
- Garden peasSept 1 – Nov 1Now
- ParsleySept 1 – Nov 15Now
- RadishesSept 1 – Nov 15Now
- SpinachSept 15 – Nov 1Now
- Corn saladOct 1 – Dec 1Now
- Onion setsOct 1 – Dec 1Now
- Upland cressOct 1 – Dec 1Now
- Asparagus plantsDec 1 – Jan 1Soon
- Spring planting calendar for an average last frost around March 30 Frederick: April 2
- Fall planting calendar for an average first frost around November 10 Frederick: November 6
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 Maryland
- Hagerstown 22 mi · last frost Apr 11
- Gaithersburg 23 mi · last frost Apr 1
- Westminster 24 mi · last frost Apr 24
- Laurel 38 mi · last frost Apr 5
- College Park 40 mi · last frost Apr 10
Updated