Frost dates in Maryland
Average last frost dates in Maryland run from March 24 in Baltimore to April 24 in Westminster.
| Place | Last frost | First frost |
|---|---|---|
| Aberdeen | Apr 10 | Oct 30 |
| Annapolis | Mar 27 | Nov 13 |
| Baltimore | Mar 24 | Nov 21 |
| Bel Air | Apr 10 | Oct 30 |
| Bowie | Apr 22 | Oct 22 |
| Cambridge | Apr 1 | Nov 7 |
| College Park | Apr 10 | Nov 1 |
| Cumberland | Apr 15 | Oct 24 |
| Easton | Apr 1 | Nov 7 |
| Elkton | Apr 7 | Nov 2 |
| Frederick | Apr 2 | Nov 6 |
| Gaithersburg | Apr 1 | Nov 6 |
| Greenbelt | Apr 10 | Nov 1 |
| Hagerstown | Apr 11 | Oct 28 |
| Havre de Grace | Apr 10 | Oct 30 |
| Hyattsville | Mar 29 | Nov 8 |
| La Plata | Apr 17 | Oct 27 |
| Laurel | Apr 5 | Nov 9 |
| New Carrollton | Apr 22 | Oct 22 |
| Rockville | Apr 1 | Nov 6 |
| Salisbury | Apr 3 | Nov 7 |
| Takoma Park | Mar 29 | Nov 8 |
| Westminster | Apr 24 | Oct 20 |
Source: NOAA U.S. Climate Normals 1991–2020, nearest station to each place. Places of 10,000+ people (US Census Bureau, 2024 estimates) within 50 miles of a station.
When to plant in Maryland
- Asparagus
- Lima Beans
- Green Beans
- Beets
- Broccoli
- Brussels Sprouts
- Cabbage
- Chinese Cabbage
- Carrots
- Cauliflower
- Celery
- Swiss Chard
- Collard Greens
- Sweet Corn
- Cucumbers
- Eggplant
- Garlic
- Kale
- Leeks
- Lettuce
- Cantaloupe
- Okra
- Onions
- Onion Sets
- Peas
- Black-Eyed Peas
- Peppers
- Potatoes
- Radishes
- Rhubarb
- Spinach
- Summer Squash (Zucchini)
- Winter Squash
- Sweet Potatoes
- Tomatoes
- Turnips
- Watermelon