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CERCIS canadensis 'Oklahoma'

Image of Cercis canadensis var. texensis 'Oklahoma'

Gerald L. Klingaman

Family

Fabaceae

Botanical Name

CERCIS canadensis var. texensis 'Oklahoma'

Plant Common Name

Oklahoma Redbud, Texas Redbud

General Description

Texas redbud is a variant of the common redbud, found in Texas and Oklahoma and more adapted to heat and drought. The cultivar 'Oklahoma' is an outstandingly tough and heavy flowering selection, widely adapted and tolerant of heat, humidity and sun.

The shiny, heart-like leaves are thick and waxy. It is sometimes a multi-stemmed shrub, usually a tree. In spring, before leaves emerge, clusters of sweet pea-like, rosy wine-red flowers cover the branches thickly. These are followed by dark brown seed pods that persist well after the the leaves fall in autumn.

Texas redbuds are good trees for hot, dry sites and alkaline soils, but 'Oklahoma' does well outside its native range in more humid climates. For best flowering, grow 'Oklahoma' in full sun to partial sun on rich, well-drained soil, with good moisture. It makes an eye-catching specimen tree, especially in early spring when every branch and twig and even the trunk is heavily flocked with flowers.

Characteristics

  • AHS Heat Zone

    9 - 6

  • USDA Hardiness Zone

    6 - 9

  • Sunset Zone

    1a, 1b, 2a, 2b, 3a, 3b, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20

  • Plant Type

    Tree

  • Sun Exposure

    Full Sun, Partial Sun

  • Height

    15'-20' / 4.6m - 6.1m

  • Width

    12'-18' / 3.7m - 5.5m

  • Bloom Time

    Early Spring, Spring, Late Spring

  • Native To

    North America, United States, South-Central United States, Texas

Growing Conditions

  • Soil pH

    Acidic, Neutral, Alkaline

  • Soil Drainage

    Well Drained

  • Soil type

    Clay, Loam, Sand

  • Tolerances

    Drought

  • Growth Rate

    Medium

  • Water Requirements

    Drought Tolerant, Average Water

  • Habit

    Oval/Rounded

  • Seasonal Interest

    Spring, Summer, Fall

Ornamental Features

  • Flower Interest

    Showy

  • Flower Color

    Magenta, Fuchsia, Rose

  • Fruit Color

    Brown, Chocolate

  • Foliage Color (Spring)

    Green, Purple, Plum

  • Foliage Color (Summer)

    Dark Green

  • Foliage Color (Fall)

    Yellow, Yellow Green

  • Bark Color

    Brown, Sandy Brown

  • Fragrant Flowers

    Yes

  • 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

    Yes

  • Foliage Texture

    Medium

  • Foliage Sheen

    Glossy

  • Evergreen

    No

  • Showy Bark

    No

Special Characteristics

  • Bark Texture

    Fissured

  • Usage

    Feature Plant, Foundation, Mixed Border, Shade Trees

  • Sharp or Has Thorns

    No

  • Invasive

    No

  • Self-Sowing

    Yes