Theodore Payne California Native Plant Database




Quercus engelmannii

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Quercus engelmannii
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Quercus engelmannii

Species Name: Quercus engelmannii
Common Name: Engelmann Oak or Mesa Oak

Very rare oak of the San Gabriel Valley--native to Pasadena and Pomona. Good specimen tree. High wildlife value. Tolerant of most soils, but prefers good drainage.

Plant Family: Fagaceae
Plant Type: Tree
Height by Width: 40' H x 40' W
Growth Habit: Broad, dense crowns
Deciduous/Evergreen: Semi-evergreen
Growth Rate: Moderate
Sun Exposure: Full sun
Soil Preference: Adaptable
Water Requirements: Drought-tolerant to occasional
Cold Hardy to: 20 degrees F
Flower Season: Spring
Flower Color: Acorns
Endangered?: List 4/ RED 1-2-2
Distribution: San Gabriel Valley, Santa Rosa Plateau, Riverside County
Natural Habitat: Slopes, foothills, woodlands

Image:songbird_iconA.jpg Image:butterfly_iconA.jpg Image:slope_iconA.jpg


Care and Maintenance


History
  • Introduced into cultivation in California by Theodore Payne.
  • From California Native Plants, Theodore Payne's 1941 catalog: "This is the tree frequently seen in Pasadena and on the Baldwin Ranch mixed in with the live oaks. The leaves are blue green, quite variable in shape, sometimes entire and sometimes slightly lobed. Of fairly rapid growth. Gallon cans, 50c; 5 gallon cans, $1.75."
Other Names
References
  • Bornstein, Carol, David Fross, and Bart O'Brien. California Native Plants for the Garden. Los Olivos, CA: Cachuma Press. 2005.
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