Rock Cress

Low, spreading alpine mats that vanish beneath sheets of tiny spring flowers in violet, mauve, pink and white, tumbling over walls and rockeries.
  • Aubrietia Whitewell Gem seeds (Aubrieta hybrida) – perennial Aubrietia Whitewell Gem (Aubrieta hybrida) – perennial seeds from SeedsChoice
    Aubrietia Seeds Whitewell Gem Aubrieta Hybrida Perennial
    €4,45

    Whitewell Gem aubrietia for rock gardens aubrietia seeds ‘Whitewell Gem’ are a classic choice for adding a low, spreading carpet of colour to sunny garden features. This perennial alpine flower stays compact at around 15...
  • Rock Cress Purple Mix seeds (Aubrieta hybrida) – perennial vegetable Rock Cress Purple Mix (Aubrieta hybrida) – perennial vegetable seeds from SeedsChoice
    Rock Cress Purple Mix Seeds Aubrieta Hybrida Perennial
    €4,45

    Perennial colour mix for rockeries and walls rock cress seeds are a popular choice for adding a low, flowering carpet to sunny rock gardens, stone edges, and wall tops. This perennial mix is based on...
  • Rock Cress Snowball seeds (Arabis alpina) – perennial vegetable Rock Cress Snowball (Arabis alpina) – perennial vegetable seeds from SeedsChoice
    Rock Cress Seeds Snowball Arabis Alpina Perennial
    €4,45

    Compact perennial ground cover for rock gardens rock cress seeds ‘Snowball’ are a classic choice for creating a neat, low-growing carpet of flowers in spring. This perennial ground cover forms a compact mound and is...
  • Rock Cress Mix seeds (Aubrieta hybrida) – perennial vegetable Rock Cress Mix (Aubrieta hybrida) – perennial vegetable seeds from SeedsChoice
    Rock Cress Seeds Aubrieta Hybrida Perennial Mix
    €4,95

    Perennial color for rock gardens and walls rock cress seeds are a classic choice for adding a low, spreading carpet of spring-to-summer color in rockeries and along edges. This perennial mix features compact plants that...
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Rock cress seeds — carpets of spring colour for walls and rockeries

Rock cress is one of the brightest harbingers of spring — low, spreading mats that vanish beneath sheets of tiny four-petalled flowers in violet, mauve, pink and white, tumbling over walls, steps and rockeries. These tough, mat-forming alpines belong with the cushion plants in our flower seed range and shine as ground-cover flowers. New to flowers? Our flower growing guide gets you started.

A river of early colour over any wall — the calendar shows when to sow.

Tough, spreading and pollinator-friendly

Drought-hardy once settled and happy in poor, gritty soil, rock cress doubles as one of our drought-tolerant flowers, while its early nectar is a lifeline for emerging bees — hence its place among our pollinator flowers. The same group includes the closely related aubrieta.

Growing rock cress from seed

Sow the fine seed in spring or late summer, pressing it onto the surface of gritty compost and barely covering, kept cool and bright. Plant into full sun in sharply drained soil, a wall crevice or the top of a retaining wall, and shear lightly after flowering to keep the cushions neat.

Planning a rockery or wall planting? Here's where to look next.

Popular flower categories: Ground-Cover Flowers · Drought-Tolerant Flowers · Perennial Flowers · Pollinator Flowers · All Flower Seeds

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Where does rock cress grow best?
In full sun on poor, sharply drained, gritty soil — it thrives in wall crevices, rockeries and along the tops of retaining walls. When does rock cress flower?
It is one of the earliest spring carpeters, smothering its foliage in colour just as the season gets going. How do I sow rock cress seed?
Sow the fine seed in spring or late summer, pressing it onto gritty compost and barely covering it, kept cool and bright. How do I keep the cushions tidy?
Shear the mats lightly straight after flowering to keep them compact and encourage dense, fresh growth.