What plant hardiness zone is Sparrows Point

Sparrows Point is located at Baltimore County, Maryland (MD), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Sparrows Point is 7b by the USDA scale.

Coldest zone's winter temperature is +5 … +10 °F.

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

Sparrows Point, Maryland @ wikipedia.