Details of...
Scientific Name: Arabis caucasica (incl. hybrid cvs.)
Pronunciation: AR-uh-biss kaw-KASS-ih-kuh
Common Name: rock cress, pink wall cress
Family Name: Brassicaceae
Plant Type: Ground cover, Herbaceous perennial
Key ID Features: Small, mounding perennial; leaves mid-green, spatulate, margins loosely toothed; flowers with 4 white petals (cultivars pink, red, or purple)
Course(s): HORT 1155, Level 3 Apprenticeship, CLT Training

Habit: Spreading
Form: Creeping / Mat-like
Texture: Medium - fine
Mature Size:
Height:0.1 - 0.2m
Spread:0.3 - 0.6m
Growth Rate:Moderate
Origin: Europe (Southern Europe)
Hardiness Rating: Zone 3: (-40 to -34 C)
Exposure: Full sun
Soil/ Growing Medium: Rocky or gravelly or dry, Well-drained
Water Use: Moderate
Landscape Uses: Ground cover, Perennial border, Rock garden
Additional Info: Google. Most images are of A. 'Snow Cap'. Common pink cultivars include A. 'Compinkie' (A. caucasica x A. aubrietioides). Compare to A. blepharophylla.
rock cress, pink wall cress
Leaf Morphology: Glossary
Form: Simple
Arrangement: Alternate
Texture/ Venation: Soft flexible
Surfaces: Branching hairs
Leaf(let) Terms:
Shapes: Elliptic, Obovate
Apices: Rounded
Bases: Acute, Attenuate
Margins: Pinnately lobed

Inflorescence Type: Floriferous, Raceme
Flower Morphology:Flowers perfect
Number of Petals:4
Corolla Shape:Cruciform
Ovary Position:Superior
Colour (petals): Showy, White, Magenta, Pink, Purple, Dark-red
Flower Scent: Fragrant
Flower Time at Peak: Apr, May

Fruit Type: Silique
Fruit Colour: Brown
Fruiting Time: Jun
Additional Info: Not showy

Bark or Stem Colour:

Propagation: Division - below ground parts
Pest Susceptibility: Deer resistant, Rabbit resistant, Drought resistant
(BCE) Boulevard (Circular) Eastend
(BCW) Boulevard (Circular) Westend : on green wall
(NRY) NuRserY
(WLG) WoodLand Garden
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