What plant hardiness zone is Rock Creek Park

Rock Creek Park is located at El Paso County, Colorado (CO), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Rock Creek Park 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.

Rock Creek Park, Colorado @ wikipedia.