What plant hardiness zone is Aberdeen Proving Ground

Aberdeen Proving Ground is located at Harford County, Maryland (MD), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Aberdeen Proving Ground 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.