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Quercus fusiformis

Image of Quercus fusiformis

David L. Morgan

Family

Fagaceae

Botanical Name

Quercus fusiformis

Plant Common Name

Escarpment Live Oak, Plateau Oak, Texas Live Oak

General Description

A smaller, more cold hardy relative of live oak (Quercus virginiana), this semi-evergreen, often multi-trunked tree or large shrub is native to Oklahoma, Texas, and northern Mexico. Handsome glossy oval leaves clothe its branches from spring until late winter. In early spring conspicuous green flower catkins emerge, providing color between the shedding of the old leaves and the development of the new. Brown acorns follow the flowers. The bark is dark and scaly. This tree often forms thickets by sprouting from the roots. It is in the white oak group (section Quercus), so its leaf tips are rounded rather than pointed and its acorns have knobby rather than imbricate caps.

This oak likes sun and well-drained, slightly acid to alkaline soil. It does well in hot, harsh climates such as the low deserts of the Southwest United States. Use it as a street or shade tree or in naturalistic plantings. It is fully deciduous in the colder parts of its hardiness range.

Characteristics

  • AHS Heat Zone

    10 - 6

  • USDA Hardiness Zone

    6 - 10

  • Sunset Zone

    3a, 3b, 10, 11, 12, 13

  • Plant Type

    Tree

  • Sun Exposure

    Full Sun

  • Height

    20'-60' / 6.1m - 18.3m

  • Width

    20'-60' / 6.1m - 18.3m

  • Bloom Time

    Early Spring

  • Native To

    South-Central United States, Mexico

Growing Conditions

  • Soil pH

    Acidic, Neutral, Alkaline

  • Soil Drainage

    Well Drained

  • Soil type

    Loam, Sand

  • Tolerances

    Drought

  • Growth Rate

    Medium

  • Water Requirements

    Drought Tolerant, Average Water

  • Habit

    Upright/Erect

  • Seasonal Interest

    Spring, Summer, Fall, Winter

Ornamental Features

  • Flower Interest

    Showy

  • Flower Color

    Green

  • Fruit Color

    Brown

  • Foliage Color (Spring)

    Green

  • Foliage Color (Summer)

    Green

  • Foliage Color (Fall)

    Green

  • Foliage Color (Winter)

    Green

  • Bark Color

    Brown, Black

  • Fragrant Flowers

    No

  • Fragrant Fruit

    No

  • Fragrant Foliage

    No

  • Bark or Stem Fragrant

    No

  • Flower Petal Number

    Single

  • Repeat Bloomer

    No

  • Showy Fruit

    No

  • Edible Fruit

    No

  • Showy Foliage

    No

  • Foliage Texture

    Medium

  • Foliage Sheen

    Glossy

  • Evergreen

    Semi-Evergreen

  • Showy Bark

    No

Special Characteristics

  • Bark Texture

    Platy

  • Usage

    Screening / Wind Break, Shade Trees, Street Trees

  • Sharp or Has Thorns

    No

  • Invasive

    Sometimes

  • Self-Sowing

    Yes