Frost dates for Dover, Delaware
In a typical year, Dover’s last spring frost lands around Apr 4 and the first fall frost around Nov 4, a growing season of about 214 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 7b.
| Odds | Last spring frost | First fall frost |
|---|---|---|
| 10 percent | Mar 22 | Oct 23 |
| 50 percent | Apr 4 | Nov 4 |
| 90 percent | Apr 17 | Nov 18 |
A 10 percent year is an early year, a 90 percent year a late one. Frost-sensitive planting usually waits for the 90 percent side of the last-frost band.
Soil in Dover is typically around 76°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.
Plantable now in Dover
- Lettuce (Buttercrunch)
- Kale (Lacinato)
- Arugula (Astro)
- Mustard greens (Red Giant)
- Kohlrabi (Early White Vienna)
- Radicchio (Palla Rossa)
- Mâche (Vit)
- Tatsoi (Tatsoi)
Timing comes from the same temperature engine the app uses, run against Dover’s normals for today.
Nearby cities
- Middletown, DE (around Apr 7 to Nov 2)
- Newark, DE (around Apr 7 to Nov 1)
- Wilmington, DE (around Apr 7 to Nov 4)
- Baltimore, MD (around Mar 24 to Nov 21)
- Philadelphia, PA (around Mar 30 to Nov 17)
Row & Bed is a plant reference built around your garden: your zone, your frost dates, your forecast, and a cited page for every variety in your beds.
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