When to plant Kale in Delaware
In spring, from Mar 1 – 20 in Dover to Mar 10 – Apr 1 in Wilmington.
In fall, July 15 – Sept 1.
USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.
| Place | Spring | Fall |
|---|---|---|
| Dover | Mar 1 – 20 | July 15 – Sept 1 |
| Middletown | Mar 10 – Apr 1 | July 15 – Sept 1 |
| Milford | Mar 10 – Apr 1 | July 15 – Sept 1 |
| Newark | Mar 10 – Apr 1 | July 15 – Sept 1 |
| Smyrna | Mar 1 – 20 | July 15 – Sept 1 |
| Wilmington | Mar 10 – Apr 1 | July 15 – Sept 1 |
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. “—” means the place's frost date is outside the table. The full USDA table for kale.