Blue oak

Quercus douglasii 

Although we typically provide this tree, it is temporarily unavailable through our free tree program. It may be available for purchase from local nurseries.

Deciduous
Water Wise
Attracts Wildlife
California Native
Quercus douglasii - blue oak
Image courtesy of SelecTree | Quercus douglasii - blue oak
Quercus douglasii - blue oak acorn and leaves
Quercus douglasii - blue oak bark
Blue oak - Quercus douglasii
Image courtesy of SelecTree | Quercus douglasii - blue oak leaves

This hardy yet elegant tree is native to California and is essential to California’s iconic oak woodland ecosystems, especially where they dot our hillsides. Its blue-green leaves drop in the fall but can occasionally drop sooner in very dry years. Blue oaks are well-adapted to California’s dry climate - they prefer dry soils and do not like to be over-watered.

Blue oak characteristics
Size:

Large

Height:

45-60 feet

Width:

40-60 feet

Growth Rate:

Very Slow

Water Needs:

Very Low

Sunset Zones:

7, 8, 9, 14

Fall Color:

None

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