What plant hardiness zone is Watch Hill

Watch Hill is located at Washington County, Rhode Island (RI), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Watch Hill 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.

Watch Hill, Rhode Island @ wikipedia.