What plant hardiness zone is Poolesville

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

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

Poolesville, Maryland @ wikipedia.