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EUONYMUS japonicus 'Silver King'

Image of Euonymus japonicus 'Silver King'

James Burghardt

Family

Celastraceae

Botanical Name

EUONYMUS japonicus 'Silver King'

Plant Common Name

Japanese Euonymus, Silver King Japanese Spindletree

General Description

The large to medium-sized Japanese spindletree ‘Silver King’ is an exceptional variegated form. The eye-catching upright, bushy, evergreen shrub is also tough and can withstand heat and short bouts of drought. The elliptical leaves are glossy and very dark green with broad irregular edges of ivory and pale yellow. They densely clothe the branches and will add bright color to any winter landscape. Small yellow vinegar-scented flowers appear in late spring and early summer. Like most Japanese spindletree cultivars, 'Silver King' rarely if ever fruits.

Japanese spindletree tolerates a wide range of growing sites and treatment, including clay and acid soils as well as full sun to full shade and salt spray. It is amenable to heavy pruning and can be easily shaped for hedges and foundation plantings, but it does not grow quickly. In fact, 'Silver King' can take up to twenty years to reach mature height. Plant it in small gardens as a feature shrub, in hedges or foundation plantings. Japanese spindletree is also grows well in coastal landscapes.

Characteristics

  • AHS Heat Zone

    9 - 1

  • USDA Hardiness Zone

    6 - 9

  • Sunset Zone

    H1, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20

  • Plant Type

    Broadleaf Evergreen

  • Sun Exposure

    Full Sun

  • Height

    5'-6' / 1.5m - 1.8m

  • Width

    3'-4' / 0.9m - 1.2m

  • Bloom Time

    Late Spring, Early Summer

  • Native To

    China, Japan, Korea

Growing Conditions

  • Soil pH

    Acidic, Neutral, Alkaline

  • Soil Drainage

    Well Drained

  • Soil type

    Clay, Loam, Sand

  • Tolerances

    Pollution, Salt

  • Growth Rate

    Medium

  • Water Requirements

    Average Water

  • Habit

    Upright/Erect

  • Seasonal Interest

    Spring, Summer, Fall, Winter

Ornamental Features

  • Flower Interest

    Insignificant

  • Flower Color

    Green, Yellow Green

  • Foliage Color (Spring)

    Dark Green, Light Yellow, Ivory

  • Foliage Color (Spring) Modifier

    Variegated

  • Foliage Color (Summer)

    Dark Green, Light Yellow, Ivory

  • Foliage Color (Summer) Modifier

    Variegated

  • Foliage Color (Fall)

    Dark Green, Light Yellow, Ivory

  • Foliage Color (Fall) Modifier

    Variegated

  • Foliage Color (Winter)

    Dark Green, Light Yellow, Ivory

  • Foliage Color (Winter) Modifier

    Variegated

  • Bark Color

    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

    Yes

  • Showy Bark

    No

Special Characteristics

  • Bark Texture

    Corky

  • Usage

    Container, Feature Plant, Foundation, Hedges, Mixed Border, Topiary / Bonsai / Espalier

  • Sharp or Has Thorns

    No

  • Invasive

    No

  • Self-Sowing

    No