What plant hardiness zone is Port Penn

Port Penn is located at New Castle County, Delaware (DE), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Port Penn is 7a by the USDA scale.

Coldest zone's winter temperature is 0 … +5 °F.

Plants of 7a USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 7a USDA.

Port Penn, Delaware @ wikipedia.