What plant hardiness zone is Walker Mill

Walker Mill is located at Prince George's County, Maryland (MD), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Walker Mill 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.

Walker Mill, Maryland @ wikipedia.