What plant hardiness zone is South Hero

South Hero is located at Grand Isle County, Vermont (VT), USA.

Plant hardiness zone (winter frost zone or gardening zone) for South Hero is 5a by the USDA scale.

Coldest zone's winter temperature is −20 … -15 °F.

Plants of 5a USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 5a USDA.

South Hero, Vermont @ wikipedia.