Quercus suber

Cork Oak
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Plant Type

Tree

Evergreen-Deciduous

Evergreen

Overall Mature Size

Large

Mature Height & Spread

40-60′ x 30-50′

Exposure

Full sun

Water

Medium, Low Water

Flower Color

Inconspicuous

Bloom Time

Summer, Winter

Special Features

Attractive Bark, Attracts Birds, Butterflies, Deer Resistant

Container Sizes

#5, #15, 24″ box, 36″ box

Natural Growth Habit

Rounded

Sunset Garden Zones

5-7, 8-16, 18-24

Minimum USDA Hardiness Zone

7A-11

Slow to moderate-growing evergreen tree to 40-60’ tall x 30-50’ wide. This attractive heat and drought tolerant species forms a rounded crown of leathery, deep-green leaves with fuzzy light-gray undersides, and is admired for its deeply fissured creamy-white bark exhibiting reddish-colored furrows with age. This bark is used commercially in the production of cork. It is fairly common for this species to replace some of its foliage in spring, so some spring leaf drop is to be expected. Inconspicuous spring flowers are followed by ¾ – 1 ½“ egg-shaped acorns that age to brown in the fall and winter. Well-suited to warmer climates including intermediate to low desert ranges, this attractive species is useful for park settings or large open areas where its fairy dense foliage makes it a good shade tree. Tolerates a variety of soil types but performs best in an acidic well-drained soil, and prefers a full sun exposure with infrequent summer watering.

USDA Zone: 7A-11
Sunset Zone: 5-7, 8-16, 18-24

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