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Aubrieta deltoidea 'Royal Red'

False Rockcress, Aubrietia

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Aubrieta deltoidea 'Royal Red'

False Rockcress, Aubrietia

Availability: In stock

Packet Size:100mg
Average Seed Count:180 Seeds


The Royal series is the only Aubrieta awarded to be awarded the RHS Award of Garden Merit. With supreme flowering ability this variety of an old favourite takes a lot of beating. Aubrieta ‘Royal Red’ is an excellent choice, forming a low cushion of evergreen leaves, literally smothered by red coloured flowers for several weeks. Perfect for a rock garden in sun or part shade, used as a ground cover, growing over rock walls or in alpine troughs and other containers.

Commonly known as 'Rock Cress', Aubrieta is an extremely popular plant, and a familiar sight in the spring garden. Easy to grow from seed, it grows only 10cm (4in) high yet may grow to 60cm (24in) in width. In the spring they flower so prolifically, that the blossoms almost completely cover the foliage below.
Hardy to -23°C (-10°F) in Europe the foliage of Aubrieta is evergreen and provides year-round cover. This soil hugging perennial seems to thrive in impoverished and hungry shallow soils. Plant in crevices of walls or on a steep bank to flow over in a waterfall cascade of colour.

Aubrieta deltoidea 'Royal Red' has been awarded the prestigious RHS Award of Garden Merit (AGM).

Sow in February to June or in September to October for flowering throughout the following summer.

Sowing Indoors:
Surface sow the seeds from late winter to early summer on the top of a good free draining seed compost, in cells or pots. They need light to germinate, so just cover the seed with a small amount of vermiculite.
Make sure the compost is moist and not wet and seal in a polythene bag until after germination which usually takes 14 to 21 days at 18 to 20°C (65 to 68°F). Keep in a coldframe or unheated greenhouse. Remove the polythene bag once the first seedlings appear.
When seedlings are large enough to handle, transplant them to 7cm (3in) pots to grow on. Once established, plant out 30cm (12in) apart into a well drained garden soil preferably containing lime, in a sunny site.

Sowing Direct:
Seeds can also be sown directly in open ground. Sow a few seeds into a small prepared area.
Thin out seedlings as they grow to 5cm (2in) apart.

Cut the plants back severely after flowering to encourage healthy foliage growth and secondary blooms. Do not prune in autumn. Remove damaged foliage in spring. Short lived if drainage is poor or weather is too hot. Divide every 1 to 3 years.

Propagate by seed, cuttings, division or separation - Cuttings are usually more successful than division. Take softwood or semi-ripe cuttings from early- to mid-summer. Remove the lower leaves and root in sand. Saved seed may not breed true to type.

Plant Uses:
Suitable for rockeries, walls, borders, edging paths, planters, window boxes. Underplanting of shrubs.

Aubrieta originates from southern Europe east to central Asia. It is a genus of about 12 species of flowering plants in the cabbage family Brassicaceae.

The genus is named after Claude Aubriet, a French flower-painter. The true spelling is ’Aubrieta’ but in English vernacular use, the name is commonly (mis-)spelled as ‘Aubretia (or Aubrietia), an easier letter order for English speakers to pronounce.
The species name ‘deltoidea’ comes from the botanical description for the leaf shape - “of a triangular or roughly triangular shape and attached to the stem via the side”
An easy way to remember this description is by remembering the shape of the Greek letter ‘Delta’ - Δ is triangular, or that the ‘deltoid’ muscle - is the triangular muscle on the human shoulder.

Additional Information

Additional Information

Packet Size 100mg
Average Seed Count 180 Seeds
Family Brassicaceae
Genus Aubrieta
Species deltoidea
Cultivar Royal Red
Synonym It is often incorrectly found spelt aubrietia or aubretia
Common Name False Rockcress, Aubrietia
Other Language Names Aubriete
Hardiness Hardy Perennial
Flowers Early spring
Height 10cm (4in)
Spread 60cm (24in).
Position Sun to Partial Shade
Soil Prefers very well drained sites rich in lime
Time to Sow Sow in February to June or in September to October

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