What plant hardiness zone is Washington Heights

Washington Heights is located at Orange County, New York (NY), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Washington Heights is 6a by the USDA scale.

Coldest zone's winter temperature is −10 … -5 °F.

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

Washington Heights, New York @ wikipedia.