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ULMUS americana 'Augustine'

Image of Ulmus americana 'Augustine'

Jesse Saylor

Family

Ulmaceae

Botanical Name

ULMUS americana 'Augustine'

Plant Common Name

American Elm, Augustine Elm

Special Notice

This entry has yet to be reviewed and approved by L2G editors.

General Description

The American elm is a large deciduous tree native to eastern North America. Its arching spreading habit, handsome dark green foliage, and tolerance of city conditions made it the quintessential shade tree for the eastern United States before Dutch elm disease decimated it in the mid-1900s. Elm yellows is another disease that attacks American elms, often fatally. Several disease resistant forms of American elm have been introduced including 'Valley Forge', 'New Harmony', 'Princeton', and 'Independence'. Also available are several elm hybrids that combine disease resistance with a resemblance to American elm: these include Accoladeâ„¢ ('Morton') and Triumphâ„¢ ('Morton Glossy'). All prefer full sun and well-drained soil, and work well as street trees or on large properties.

Characteristics

  • AHS Heat Zone

    9 - 1

  • USDA Hardiness Zone

    3 - 9

  • Sunset Zone

    1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21

  • Plant Type

    Tree

  • Sun Exposure

    Full Sun

  • Height

    60'-100' / 18.3m - 30.5m

  • Width

    30'-100' / 9.1m - 30.5m

  • Bloom Time

    Early Spring

  • Native To

    North America

Growing Conditions

  • Soil pH

    Acidic, Neutral

  • Soil Drainage

    Average

  • Soil type

    Loam

  • Tolerances

    Pollution

  • Growth Rate

    Fast

  • Water Requirements

    Average Water

  • Habit

    Upright/Erect

  • Seasonal Interest

    Spring, Summer, Fall, Winter

Ornamental Features

  • Flower Interest

    Insignificant

  • Flower Color

    Green

  • Fruit Color

    Tan

  • Foliage Color (Spring)

    Light Green

  • Foliage Color (Summer)

    Dark Green

  • Foliage Color (Fall)

    Light Yellow

  • Bark Color

    Sandy Brown, Gray

  • 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

    Matte

  • Evergreen

    No

  • Showy Bark

    No

Special Characteristics

  • Bark Texture

    Fissured

  • Usage

    Feature Plant, Shade Trees, Street Trees

  • Sharp or Has Thorns

    No

  • Invasive

    No

  • Self-Sowing

    Yes