What plant hardiness zone is Broomfield

Broomfield is located at City and County of Broomfield, Colorado (CO), USA.

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