Quercus kelloggii

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California Black Oak

 
California Native Plant
Plant photo of: Quercus kelloggii
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Information by: Jerry Sortomme        Photographer: Betsy Thompson

 

Description

The California black oak is a deciduous tree that grows 30'-80' tall. It has sharply lobed, green leaves which turn yellow to orange in the fall. The black oak is a CA native, is drought tolerant, and attracts butterflies. It prefers afternoon shade in warm, inland valleys. It is a long lived tree; some are 500 years old!

 

  • Anatomy

  • Sun/Water

  • Design

Plant Type

Tree

 

Height Range

25-40', 40-60', 60-100'

 

Flower Color

Yellow

 

Flower Season

Spring

 

Leaf Color

Green

 

Bark Color

Grey

 

Fruit Color

Brown

 

Fruit Season

Winter, Fall

Sun

Full, Half

 

Water

Very Low, Low

 

Growth Rate

Moderate

 

Soil Type

Loam, Rocky

 

Soil Condition

Average, Well-drained

 

Soil pH

Acid, Neutral

 

Adverse Factors

n/a

Design Styles

Mediterranean, Ranch, Spanish, Woodland

 

Accenting Features

Fall Color, Multi-trunk Tree, Silhouette, Specimen

 

Seasonal Interest

Winter, Spring, Summer, Fall

 

Location Uses

Background, Park

 

Special Uses

Erosion Control, Screen, Wind Break

 

Attracts Wildlife

Birds

Water Saving Tip:

Fix leaking sprinklers, valves, and pipes.

One broken spray sprinkler can waste 10 gallons per minute - or 100 gallons in a typical 10 minute watering cycle.