California Blue Oak
A tough and easy to grow California native oak that has the most stunning blue foliage on a medium sized deciduous tree. Blue oaks are very drought tolerant once established and make a great street or garden tree for West Coast gardeners.
Latin Name: Quercus douglasii
Site and Soil: 1/2 day to full sun and well-drained soil.
Hardiness: Hardy to at least 0F
Bearing Age: 2-3 years after planting
Size at Maturity: 20-35 ft. in height
Bloom Time: April
Ripening Time: October
Yield: 50+ lbs.
Pests & Diseases: Oaks are susceptible to Sudden Oak Death, a fungal disease that can kill entire stands of oaks, though we’ve not seen it yet in our area
USDA Zone: 7