What plant hardiness zone is Sulphur

Sulphur is located at Crawford County, Indiana (IN), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Sulphur 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.

Sulphur, Indiana @ wikipedia.