Aubrieta 'Red Cascade' (Cascade Series)

RHS Plant Profile

aubrieta 'Red Cascade'

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Bedding Herbaceous Perennial Annual Biennial

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'Red Cascade' is a strong-growing mat-forming perennial that may be grown as an annual, with single, deep magenta-red flowers in spring

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

Up to 10 cm

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.1-0.5 metres
Max Height: Up to 10 cm

Growing Conditions

Chalk Loam Sand

Moisture: Moist but well–drained or Well–drained
pH: Alkaline or Neutral

Position

Full sun

Aspect: South–facing or West–facing
Exposure: Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

H1A: under glass all year (>15C)
H1B: can be grown outside in the summer (10 - 15)
H1C: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20): H6

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Brassicaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Trailing
Genus: Aubrieta are mat-forming evergreen perennials with small leaves and short racemes of 4-petalled flowers in shades of pink and purple in spring
Name Status: Accepted

How to Grow

Cultivation

Best grown in well-drained soil in full sun, an ideal plant for dry areas such as chalky slopes and on walls, but it can tolerate partial shade. Being hardy, it is a useful container plant for spring colour This plant was part of the RHS Aubrieta, Arabis and Aurinia trial 2024-2026 https://www.rhs.org.uk/plants/trials-awards/ongoing-plant-trials/aubretia-arabis-aurinia

Propagation

Propagate by seed, softwood cuttings or semi-hardwood cuttings

Suggested planting locations and garden types

Gravel garden
Patio and container plants
City and courtyard gardens
Cottage and informal garden
Rock garden
Ground cover
Banks and slopes
Flower borders and beds
Garden edging

Pruning

Cut back after flowering

Pests

May be susceptible to aphids and flea beetles

Diseases

May be susceptible to white blister