What plant hardiness zone is Mount Airy

Mount Airy is located at Carroll County, Maryland (MD), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Mount Airy 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.

Mount Airy, Maryland @ wikipedia.