Quercus douglasii |
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Blue Oak |
Description
Blue Oak is a deciduous tree that has a slow growth rate and reaches 30'-50' tall. It develops 2" long, lobed blue-green leaves. Blue Oak is very drought tolerant, is native to California and attracts butterflies. Because of its slow growth, it can be used for bonsai. Flowers are insignificant. Acorns were used by California Natives for food.
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Anatomy
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Sun/Water
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Design
Plant Type
Tree
Height Range
40-60'
Flower Color
Green, Yellow
Flower Season
Spring
Leaf Color
Blue Green
Bark Color
Grey
Fruit Color
Brown
Fruit Season
Intermittent
Sun
Full
Water
Very Low
Growth Rate
Slow
Soil Type
Clay, Rocky
Soil Condition
Average, Well-drained, Dry
Soil pH
Neutral
Adverse Factors
Messy
Design Styles
Mediterranean, Ranch, Woodland
Accenting Features
Specimen
Seasonal Interest
Winter, Spring, Summer, Fall
Location Uses
Background, Park
Special Uses
Shade Tree
Attracts Wildlife
Birds, Butterflies
Water Saving Tip:
Check your irrigation controller once a month, and adjust as necessary.
Most plants require only one-third as much water in winter as they do in summer.