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A picture of a Purple Rock Cress

Purple Rock Cress

Aubrieta deltoidea

Also known as

Lilacbush, Lilac bush, Rainbow Rock Cress

Aubrieta deltoidea 4 by Stan Shebs (CC BY-SA 3.0)

Full Sun
Easy care
Light watering
Half-hardy

4a-9b

USDA zone

-34°C

Minimum temperature

Expected size

Height
Spread

30cm

Max

60cm

10cm

Min

20cm

2 years to reach maturity

Flowering

  • spring
  • summer
  • autumn
  • winter

This plant has no fragrance

More images of Purple Rock Cress

A close up of some  Aubrieta deltoidea  purple flowers
A bunch of purple Aubrieta deltoidea flowers on a growing plant
A mound of purple Aubrieta deltoidea flowers growing outside

Purple Rock Cress Overview

Aubrieta deltoidea is an evergreen to semi-evergreen perennial from the Brassicaceae family. It has a compact, mat-forming habit and produces small, ovate to oblong, grey-green leaves. In spring it produces short racemes of four-petalled pink flowers with yellow centres.

Common problems with Purple Rock Cress

Can also suffer from white blister.

How to harvest Purple Rock Cress

Generally not harvested.

How to propagate Purple Rock Cress

Seed

Cuttings

Take softwood cuttings in summer or semi hardwood cuttings in late summer to early autumn.

Special features of Purple Rock Cress

Ground cover

Attractive flowers

Other uses of Purple Rock Cress

Rock garden, edging, ground cover. Spring interest.

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