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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)
Sun Exposure: Full Sun
Danger: Parts of plant are poisonous if ingested
Bloom Color: Brown/Bronze Inconspicuous/none
Bloom Time: N/A
Foliage: Grown for foliage Deciduous Good Fall Color
Other details: Average Water Needs; Water regularly; do not overwater
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
On Mar 4, 2012, altagardener from Calgary, AB (Zone 3b) wrote:
ineedacupoftea,
There are quite a few other species of oaks that are native to Colorado besides Quercus gambelii, according to USDA Plants: Quercus ajoensis, Q. grisea, Q. havardii, Q. xpauciloba, and Q. turbinella.
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 problems so far. It doesn't seem to mind the heat and is taking full sun
On Mar 28, 2006, ineedacupoftea from Denver, CO wrote:
This is the only oak one will find growing wild in Colorado. We call it "Scrub Oak," and it grows at intermediate mountain altitudes, between the valleys and the mountain tops, which are dominated by conifers and aspen. Its acorns are an indespensable food source for some wildlife.
Extremely drought tolerant with immeasurable taproots, these can grow back from the bases if cut down and are of a natural habit of a very large, dense shrub, branching near the ground.
In a garden setting, these must be pruned to make more tree-like specimens. Stress to the tree can result in blueing of leaves, mites, or suckering. These are not problems in established plants. Container grown specimens must be treated kindly until they re-develop taproots, and growing them from fall-sown seed can be suprisingly rapid and rewarding. (The taproot is left to it's own devices)
A person can see when the tree has hit the water table, as its annual growth becomes quite spectacular, and is from then on bomb-proof.
Strongly suggested as a Xeric plant with those attractive classic Oak-shaped leaves.
Regional...
This plant has been said to grow in the following regions:
Flagstaff, Arizona Kachina Village, Arizona Clifton, Colorado Glenwood Springs, Colorado Overland Park, Kansas Las Vegas, Nevada Austin, Texas Layton, Utah
One vendor has this plant for sale.
