What plant hardiness zone is South Boston

South Boston is located at Suffolk County, Massachusetts (MA), USA.

Plant hardiness zone (winter frost zone or gardening zone) for South Boston 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.

South Boston, Massachusetts @ wikipedia.