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Arabis alpina subsp. caucasica Snowcap

Arabis caucasica Snowcap
Mountain Rock Cress, Alpine Rock Cress, Alpine Rockcress, Caucasus Rockcress, Wall Rock Cress

4,2/5
7 reviews
2 reviews
0 reviews
1 reviews
1 reviews

Thank you to Ludivine (order preparation) and Aline (shipment) the young plant received as a replacement under warranty appears to be healthy. Planted, now I am patiently waiting for it to take root... (or not?).

Thierry, 17/11/2022

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This plant carries a 12 months recovery warranty

More information

This Rock Cress is particularly floriferous forming a low and dense ground cover with particularly decorative foliage. It has abundant spring flowering of pure white and slightly fragrant. Easy to grow in well-drained soil, even dry in summer. Perfect for covering walls, climbing slopes, and the base of hedges.
Flower size
2 cm
Height at maturity
15 cm
Spread at maturity
45 cm
Exposure
Sun
Hardiness
Hardy down to -29°C
Soil moisture
Dry soil, Moist soil
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Best planting time March, September
Recommended planting time March to May, September to October
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Flowering time April to June
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Description

The 'Arabis caucasica 'Snowcap' is a new variety of rock cress, particularly floriferous, with a very compact growth that disappears in spring under many small pure white flowers, forming a carpet of snow in flower beds. This perennial plant forms a very effective ground cover tapestry to fight against weeds. It is particularly decorative with its tiny green foliage that turns decorative grey throughout the year. Easy to grow in well-drained soil, it is perfect for covering walls, climbing slopes, covering the base of hedges, dressing the base of plants in pots, or bordering gravel paths.

  

The Arabis alpina subsp. caucasica belongs to the Brassicaceae family. This very hardy plant is native to temperate regions of the Northern Hemisphere. 'Snowcap', sometimes called Arabis caucasica 'Scneehaube', was recently selected in Germany for its dense, low habit and excellent floribundity. It is an evergreen and spreading perennial that spreads by rhizomes, and its growth is relatively slow. It forms a dense ground cover of 10-15 cm (4-6in) in height, with a minimum spread of 35 cm (14in), theoretically unlimited. The flowering takes place from April to June, depending on the climate. Its produces many small flowers, 1 cm (1in) in diameter, slightly fragrant, are gathered in generous clusters. They bloom above the green to grey-green foliage with a plush appearance. The leaves form compact rosettes; they are oval, serrated and measure 2 cm (1in) long.

 

Perfect rockery plants, one of the most robust rock cresses, also make excellent ground covers along the edges of flower beds, in paving, as a topping for walls, on slopes, etc. Arabis caucasica 'Snowcap' is a beautiful plant that can cover a large area in just a few years and help prevent weed growth. It's great for covering the base of shrubs or hedges, even in partial shade. However, it's not recommended to plant it in a well-maintained rockery as it may harm other delicate plants. This plant is very easy to grow, much like ivy, and will flower every year alongside tulips and other spring bulbs. It has a long lifespan and requires little maintenance.

Arabis alpina subsp. caucasica Snowcap in pictures

Arabis alpina subsp. caucasica Snowcap (Flowering) Flowering

Flowering

Flower colour white
Flowering time April to June
Inflorescence Cluster
Flower size 2 cm
Fragrance slightly scented, blooming

Foliage

Foliage persistence Evergreen
Foliage colour dark green

Plant habit

Height at maturity 15 cm
Spread at maturity 45 cm
Growth rate normal

Botanical data

Genus

Arabis

Species

caucasica

Cultivar

Snowcap

Family

Brassicaceae

Other common names

Mountain Rock Cress, Alpine Rock Cress, Alpine Rockcress, Caucasus Rockcress, Wall Rock Cress

Botanical synonyms

Schneehaube'

Origin

Cultivar or hybrid

Product reference853151

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Planting and care

Arabis are hardy plants that grow best in sunny locations with well-drained soil, including rocky or gravelly terrain. They can be planted from spring to autumn and require regular watering to establish themselves. During this time, it is important to protect them from neighbouring plants or weeds that may disturb their growth. The establishment process may take some time but ultimately results in a durable plant that is easy to grow and has no known enemies in our gardens. After flowering, trim the shrub with shears to encourage branching and denser growth. Remember that Arabis prefer slightly acidic, neutral, or even limestone-based soil.

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Planting period

Best planting time March, September
Recommended planting time March to May, September to October

Intended location

Suitable for Rockery
Type of use Edge of border, Container, Slope
Hardiness Hardy down to -29°C (USDA zone 5) Show map
Ease of cultivation Beginner
Planting density 7 per m2
Exposure Sun
Soil pH Any
Soil type Chalky (poor, alkaline and well-drained), Silty-loamy (rich and light), Stony (poor and well-drained)
Soil moisture Dry soil, Moist soil, Very well drained, light.

Care

Pruning instructions After flowering, trim the shrub with shears to encourage branching and denser growth.
Pruning Pruning recommended once a year
Pruning time July
Disease resistance Very good
Overwinter Can be left in the ground
4,2/5

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