What plant hardiness zone is San Luis Rey

San Luis Rey is located at San Diego County, California (CA), USA.

Plant hardiness zone (winter frost zone or gardening zone) for San Luis Rey is 10a by the USDA scale.

Coldest zone's winter temperature is +30 … +35 °F.

Plants of 10a USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 10a USDA.