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ARABIS alpina ssp. caucasica

Image of Arabis alpina ssp. caucasica

James H. Schutte

Family

Brassicaceae

Botanical Name

ARABIS alpina ssp. caucasica

Plant Common Name

Alpine Rockcress, Caucasus Rockcress

General Description

Pretty and early-flowering, alpine rockcress is a low-growing perennial that brightens up rock gardens and mixed borders. This mat-forming evergreen has soft, gray-green leaves. In late spring it puts forth short, upright stems topped with fragrant, four-petaled flowers of white.

Alpine rockcress is drought tolerant but does not appreciate extreme heat. It grows best in full sun and average soil with good drainage. Its flowers attract bees and butterflies and look great in combination with pansies, short alliums and dwarf blue fescue.

Characteristics

  • AHS Heat Zone

    8 - 1

  • USDA Hardiness Zone

    4 - 8

  • Sunset Zone

    1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7

  • Plant Type

    Perennial

  • Sun Exposure

    Full Sun, Partial Sun

  • Height

    4"-6" / 10.2cm - 15.2cm

  • Width

    18"-28" / 45.7cm - 71.1cm

  • Bloom Time

    Late Spring, Early Summer

  • Native To

    Southern Europe

Growing Conditions

  • Soil pH

    Neutral, Alkaline

  • Soil Drainage

    Well Drained

  • Soil type

    Loam, Sand

  • Tolerances

    Drought

  • Growth Rate

    Fast

  • Habit

    Mat-forming

  • Seasonal Interest

    Spring, Summer

Ornamental Features

  • Flower Interest

    Showy

  • Flower Color

    White

  • Foliage Color (Spring)

    Gray Green

  • Foliage Color (Summer)

    Gray Green

  • Foliage Color (Fall)

    Gray Green

  • Foliage Color (Winter)

    Gray Green

  • 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

    Matte

  • Evergreen

    Yes

  • Showy Bark

    No

Special Characteristics

  • Usage

    Alpine, Edging, Mixed Border, Rock Garden / Wall

  • Sharp or Has Thorns

    No

  • Invasive

    No

  • Self-Sowing

    Yes