Frost dates in Delaware
Average last frost dates in Delaware run from April 4 in Dover to April 11 in Milford.
| Place | Last frost | First frost |
|---|---|---|
| Dover | Apr 4 | Nov 4 |
| Middletown | Apr 7 | Nov 2 |
| Milford | Apr 11 | Oct 30 |
| Newark | Apr 7 | Nov 2 |
| Smyrna | Apr 4 | Nov 4 |
| Wilmington | Apr 7 | Nov 4 |
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 Delaware
- 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