What plant hardiness zone is Kemp Mill

Kemp Mill is located at Montgomery County, Maryland (MD), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Kemp 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.

Kemp Mill, Maryland @ wikipedia.