Wall Cress is a widely planted as rock garden or edging perennial, used for a bright spring display.
It forms a mounding cushion of silvery-green leaves, bearing masses of sweetly fragrant, small snow-white flowers for several weeks (starting from teh second year after germination).
Drought tolerant once established. Requires good drainage, particularly in the winter months.
Shear plants lightly after blooming in order to maintain a bushy, compact habit. Evergreen.
Genus - Arabis
Species - Caucasica
Common name - Rock Cress
Pre-Treatment - Not-required
Hardiness zones - 4 - 7
Height - 0,15 m
Spread - 0,30 m
Plant type - Perennial Flower
Exposure - Full Sun
Growth rate - Fast
Soil PH - Neutral, alkaline
Soil type - low fertile, droughty, well drained
Water requirements - Drought tolerant, low
Landscape uses - Rock gardens, birders, edges
Bloom season - April - September (second year)
Leaf / Flower color - Silvery Green / White
It is best to surface sow in a light position in a cold frame or inside in pots from April to June.
Seed can also be sown in spring.
It usually germinates in 2 - 3 weeks at +21c.
When large enough to handle, prick the seedlings out into individual pots and plant them out in the summer. Division after flowering.
The divisions can be planted out straight into their permanent positions if required.
Cuttings in a shady border in summer.
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