What plant hardiness zone is Grand Isle

Grand Isle is located at Aroostook County, Maine (ME), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Grand Isle is 3b by the USDA scale.

Coldest zone's winter temperature is −35 … -30 °F.

Plants of 3b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 3b USDA.