What plant hardiness zone is Maryknoll
Maryknoll is located at Westchester County, New York (NY), USA.
Plant hardiness zone (winter frost zone or gardening zone) for Maryknoll is 7a by the USDA scale.
Coldest zone's winter temperature is 0 … +5 °F.
Plants of 7a USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 7a USDA.