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Cactus Succulent

Cereus validus

A tall, columnar cactus ultimately reaching 4m, with deeply ribbed, dull bluish-green to grey-green stems, set with clusters of long spines. Large, red and white, cup-shaped flowers appear in early autumn, opening at night

Synonyms
Cereus forbesii
Size
Ultimate height
2.5–4 metres
Time to ultimate height
20–50 years
Ultimate spread
0.5–1 metres
Growing conditions
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green Grey Silver Brown
Summer Green Grey Silver Brown
Autumn Green Grey Silver Brown Red White
Winter Green Grey Silver Brown
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Hardiness
H1C
Botanical details
Family
Cactaceae
Native to the UK
No
Foliage
Evergreen
Habit
Columnar upright
Potentially harmful
Handle with care due to prickly spines. Wear gloves and other protective equipment when handling
Name status

Correct

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How to grow

Cultivation

Grow under glass in a standard cactus compost, in full light. Water freely when in growth and keep almost dry at other times. See houseplant cacti and succulent cultivation

Propagation

Propagate by seed in early spring or root cuttings of young branches in late spring or early summer

Suggested planting locations and garden types
  • Patio and container plants
  • Conservatory and greenhouse
Pruning

No pruning required

Pests

May be susceptible to mealy bugs and scale insects

Diseases

Generally disease-free

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