What plant hardiness zone is Mission Viejo

Mission Viejo is located at Orange County, California (CA), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Mission Viejo 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.

Mission Viejo, California @ wikipedia.