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Frost dates and growing zones in Delaware

3 town pages so far. Zones from the 2023 USDA Plant Hardiness Zone Map, frost dates from NOAA 1991-2020 normals at the nearest weather station.

Towns covered so far in Delaware fall in USDA zones 7b. Median dates mean frost comes later (spring) or earlier (fall) in half of years.

Towns

Town	Zone	Median last frost	Median first frost
Wilmington	7b	Apr 7	Nov 4
Dover	7b	Apr 4	Nov 4
Newark	7b	Apr 7	Nov 2