What plant hardiness zone is Kew Gardens

Kew Gardens is located at Queens County, New York (NY), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Kew Gardens is 7b by the USDA scale.

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

Plants of 7b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 7b USDA.

Kew Gardens, New York @ wikipedia.