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Garry's Oak
Quercus garryana var. breweri
About Garry's Oak (Quercus garryana var. breweri) Nurseries Show All Photos Garry's Oak (Quercus garryana var. breweri) is a native tree that grows in northern, southern and central California. It tends to grow in slopes, at elevations from 2000-5900 feet.
Plant Description
Plant Type
Tree, Shrub

Max. Height
66 ft (20.1 m)

Winter Deciduous

Flower Color
Cream, Green

Flowering Season

Native Status

Natural Setting
Site Type

Sun, Part Shade

Elevation ?
20' - 10940'

Annual Precip. ?
11.5" - 125.9"

Summer Precip. ?
0.22" - 3.91"

Coldest Month ?
18.4° F - 52.0° F

Hottest Month ?
39.7° F - 76.7° F

Humidity ?
0.01 vpd - 28.16 vpd

Sunset Zones ?
1, 2, 3, 4, 5, 6*, 7*, 8, 9, 10, 11, 14*, 15*, 16*, 17, 18*, 19, 20, 21, 22, 23

Wildlife Attracted
Many insects are attracted to Oaks generally, including the following butterflies which use Oaks as host plant: California Sister, Propertius Duskywing, Mournful Duskywing, Golden Hairstreak, and Gold-Hunter's Hairstreak.

Landscaping Information
Water Requirement ?
Extremely Low
Very Low
Moderate - High

Propagation ?
For propagating by seed: Fresh seeds sow in fall outdoors or stratify to hold for spring sowing. (USDA Forest Service 1974).

Common uses
Bank Stabilization, Bird Gardens, Butterfly Gardens

Nursery Availability
Sometimes Available

Other Names
Common Names
Brewer's Oak, Oregon Oak, Oregon White Oak

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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