What plant hardiness zone is Martin's Additions

Martin's Additions is located at Montgomery County, Maryland (MD), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Martin's Additions 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.