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California Native Plant

Quercus engelmannii

Engelmann Oak

Plant photo of: Quercus engelmannii
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Information by: Plant Nerd and SelecTree        Photographer: Mountain States Nursery

 

Description

Engelmann Oak (Quercus engelmannii) is native to San Diego and Los Angeles counties in California. This tree reaches a height of 70’ and a width of up to 120’, so it is not an ideal choice for small to medium-sized gardens. If the garden space is large enough to support this tree, it is a great choice for a naturalized-style garden as a specimen tree. The natural growth habit is multi-trunk with an irregular, broad canopy. However, the lower branching can be pruned away when it is young to shape it into a single-trunk tree. Once it has been in place for a few years, the pruning should be left to a licensed arborist to keep the tree looking and performing at its best. This tree should be planted at least 10 feet away from any hardscape areas, 30 feet from structures such as houses and buildings, and not near any powerlines. Shrubs and perennials should be planted about 10 feet away from this tree. It should be irrigated for about 45 minutes once a week when using most in-line drip irrigation systems.

 

Plant Type

Tree

Height Range

60-100'

Flower Color

n/a

Flower Season

Spring

Leaf Color

Green

Bark Color

Brown, Grey

Fruit Color

Brown

Fruit Season

Winter, Fall

Sun

Full

Water

Low

Growth Rate

Moderate

Soil Type

Sandy, Clay, Loam

Soil Condition

Average, Poor, Well-drained, Dry

Soil pH

Neutral, Basic

Adverse Factors

Allergenic, Messy, Poisonous

Design Styles

Mediterranean, Ranch, Seascape, Woodland

Accenting Features

Multi-trunk Tree, Specimen

Seasonal Interest

Winter, Spring, Summer, Fall

Location Uses

Background, Park

Special Uses

Screen, Wind Break, Shade Tree, Naturalizing

Attracts Wildlife

Wildlife

Water Saving Tip:

Mulching and adding compost to soil can minimize evaporation and help soil absorb and store water.