What plant hardiness zone is Holyrood
Holyrood is located at Ellsworth County, Kansas (KS), USA.
Plant hardiness zone (winter frost zone or gardening zone) for Holyrood 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.
Holyrood, Kansas @ wikipedia.