What plant hardiness zone is Montrose
Montrose is located at Henry County, Missouri (MO), USA.
Plant hardiness zone (winter frost zone or gardening zone) for Montrose 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.
Montrose, Missouri @ wikipedia.