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Cactus Succulent

Dudleya brittonii
  • RHS AGM

Britton's dudleya

A variable, perennial succulent forming a white to silver-grey solitary rosette to 30-45cm (12-18in) in diameter, with oblong to lanceolate, spoon-shaped leaves to 15-22.5cm (6-9in) long and 2.5-5cm (1-2in) wide. Pale yellow flowers are produced on a bright, reddish-pink stem, to 60- 90cm (24-36in) in late winter to spring

Other common names
giant chalk dudleya

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
5–10 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring White
Summer White
Autumn White
Winter White
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Drought resistance
Yes
Hardiness
H3
Botanical details
Family
Crassulaceae
Native to the UK
No
Foliage
Evergreen
Habit
Bushy
Genus

Dudleya are a genus of around 45 species of succulent perennial plants. Formerly classified as Echeveria, they have green to grey fleshy leaves arranged in rosettes. Flowers appear on tall stems, up to a metre above the leaves.

Name status

Correct

Plant range
Baja California

How to grow

Cultivation

Under glass, grow in sharply-draining, loam-based compost (JI No2) with the addition of extra sharp sand, or use proprietary cactus compost. A position in full or slightly filtered light is preferred at all times. During active growth, water moderately and apply a low-nitrogen fertiliser once a month from March to the beginning of May and from late August to October, but cease feeding in the summer dormancy period, when water should be withheld. Feeding in the winter in UK under glass is not required owing to low daylight levels and similarly, watering should also be reduced

Propagation

Propagate by seed at 16°C (61°F) in early spring or take stem cuttings from spring to summer

Suggested planting locations and garden types
  • Patio and container plants
  • Sub-tropical
Pruning

No pruning required

Pests

May be susceptible to mealybugs under glass

Diseases

Generally disease-free although can be subject to basal rots if watered out of season when dormant

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