Gambel Oak, Rocky Mountain White Oak

Quercusgambelii

Family
Fagaceae (fag-AY-see-ee)
Genus
Quercus (KWER-kus)
Species
gambelii (gam-BEL-ee-eye)
Synonym
Sun Exposure
Full Sun
Foliage
Grown for foliage
Deciduous
Height
20-30 ft. (6-9 m)
Spacing
20-30 ft. (6-9 m)
Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
Danger
Parts of plant are poisonous if ingested
Bloom Color
Brown/Bronze
Inconspicuous/none
Bloom Time
N/A
Other Details
Category
Trees
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
From seed; direct sow outdoors in fall
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Regional

This plant is said to grow outdoors in the following regions:

Flagstaff, Arizona(2 reports)

Clifton, Colorado

Glenwood Springs, Colorado

Pagosa Springs, Colorado(2 reports)

Shawnee Mission, Kansas

Las Vegas, Nevada

Austin, Texas

Layton, Utah

South Jordan, Utah

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Gardener's Notes:

2
positives
1
neutral
0
negative
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A
Calgary, AB (Zone 3b) | March 2012 | neutral

ineedacupoftea,
There are quite a few other species of oaks that are native to Colorado besides Quercus gambelii, according...Read More

L
L
Las Vegas, NV (Zone 9a) | September 2010 | positive

I acquired min Gambel Oak at the springs preserve during one of their plant sales. I have had mine in my yard for a while now and no prob...Read More

I
Denver, CO | March 2006 | positive

This is the only oak one will find growing wild in Colorado. We call it "Scrub Oak," and it grows at intermediate mountain altitudes, be...Read More

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