What plant hardiness zone is North Castle

North Castle is located at Westchester County, New York (NY), USA.

Plant hardiness zone (winter frost zone or gardening zone) for North Castle is 6b by the USDA scale.

Coldest zone's winter temperature is −5 … 0 °F.

Plants of 6b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 6b USDA.