what plant zone is westerly ri
Zip code 02891, Westerly RI is in USDA Hardiness Zone 6b: -5F to 0F. Using updated climate data through 2010, 02891 is in the Plantmaps Hardiness Zone 6b: -5F to 0F. The average first frost in 02891 is between October 11 - 20, while the average last frost occurs between April 21 - 30. 02891 is part of Ecoregion 59c - Southern New England Coastal Plains and Hills. 02891 rarely has days where the temperatue exceeds 86Â°F.