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Cactus SucculentConservatory Greenhouse

Agave salmiana var. ferox

ferocious giant agave

A rosette-forming, evergreen, perennial succulent with a stout stem, capable of growing to 4m. The leaves are dark greyish-green, edged with hooked spines. After many years, bears dense clusters of greenish-yellow flowers, on upright, branched stems up to 10m tall

Synonyms
Agave salmiana 'Ferox'
Agave ferox
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Size
Ultimate height
2.5–4 metres
Time to ultimate height
10–20 years
Ultimate spread
2.5–4 metres
Growing conditions
Sand
Moisture
Well–drained
pH
Acid
Colour & scent
StemFlowerFoliageFruit
Spring Green Grey Silver
Summer Yellow Green Grey Silver
Autumn Green Grey Silver
Winter Green Grey Silver
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Drought resistance
Yes
Hardiness
H2
Botanical details
Family
Asparagaceae
Native to the UK
No
Foliage
Evergreen
Habit
Bushy
Potentially harmful
Skin irritant. Wear gloves and other protective equipment when handling
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

Correct

Plant range
C Mexico

How to grow

Cultivation

Grow under glass in cactus compost in full light. Water freely in summer, giving a low-nitrogen feed three or four times. Water less in autumn and keep dry in winter. Can move outdoors for summer. See houseplant cacti and succulent cultivation for further information

Propagation

Propagate by seed, or remove offsets

Suggested planting locations and garden types
  • City and courtyard gardens
  • Sub-tropical
  • Architectural
  • Gravel garden
  • Patio and container plants
Pruning

No pruning required

Pests

May be susceptible to scale insect

Diseases

Generally disease-free

Get involved

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