What plant hardiness zone is Boulder City

Boulder City is located at Clark County, Nevada (NV), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Boulder City is 9b by the USDA scale.

Coldest zone's winter temperature is +25 … +30 °F.

Plants of 9b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 9b USDA.