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Cactus SucculentConservatory Greenhouse

Agave 'Blue Brian'

A slow-growing evergreen succulent, forming a stiff rosette of broad, dark green leaves with a powdery blue-grey bloom. Leaves have sharp teeth along the edges and spines at the tip, and often show patterned bud imprints. Mature plants may produce a tall spike of yellow flowers, after which the central rosette dies off, to be replaced by new offsets produced at the base

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Size
Ultimate height
1–1.5 metres
Time to ultimate height
10–20 years
Ultimate spread
1–1.5 metres
Growing conditions
Loam
Sand
Moisture
Well–drained
pH
Acid, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green Blue Grey Silver
Summer Yellow Green Blue Grey Silver
Autumn Green Blue Grey Silver
Winter Green Blue Grey Silver
Position
  • Full sun
Aspect

South–facing

Exposure
Exposed or Sheltered
Drought resistance
Yes
Hardiness
H3
Botanical details
Family
Asparagaceae
Native to GB / Ireland
No
Foliage
Evergreen
Habit
Clump forming
Potentially harmful
Skin irritant. Wear gloves and other protective equipment when handling. Pets (dogs, cats): harmful if eaten. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus

Agave can be perennial or monocarpic succulents, forming rosettes of usually rigid, fleshy, spiny-edged leaves, with funnel-shaped flowers in racemes or panicles often much taller than the rosettes

Name status

Accepted

How to grow

Cultivation

Grow under glass in cactus compost, water freely when in growth, but keep almost dry over winter. Apply a dilute, liquid fertiliser 3 or 4 times during the growing season. Can be moved to a sunny spot outdoors in summer, but needs to overwinter in a greenhouse or conservatory. See houseplant cacti and succulent cultivation for more advice

Propagation

Propagate by removing offsets in spring or autumn

Suggested planting locations and garden types
  • City and courtyard gardens
  • Coastal
  • Cottage and informal garden
  • Gravel garden
  • Patio and container plants
  • Sub-tropical
  • Conservatory and greenhouse
Pruning

No pruning required

Pests

May be susceptible to scale insects

Diseases

Generally disease-free

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