What plant hardiness zone is Arroyo Grande

Arroyo Grande is located at San Luis Obispo County, California (CA), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Arroyo Grande 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.