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Herbaceous PerennialConservatory Greenhouse

Puya alpestris

mountain puya

An evergreen, terrestrial bromeliad, with narrow, arching, dark green leaves with spines along the margins making a clump about 60cm high. In summer produces tall, dense spikes of metallic turquoise to almost black flowers with orange anthers

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Size
Ultimate height
1–1.5 metres
Time to ultimate height
5–10 years
Ultimate spread
0.5–1 metres
Growing conditions
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Blue Green Green
Autumn Green
Winter Green
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Drought resistance
Yes
Hardiness
H3
Botanical details
Family
Bromeliaceae
Native to GB / Ireland
No
Foliage
Evergreen
Habit
Bushy
Genus

Puya are evergreen, terrestrial, perennial herbs with leathery, typically spiny, leaves forming dense rosettes. Native to Central and South America

Name status

Correct

How to grow

Cultivation

Under glass grow in terrestrial bromeliad compost in full light. Water moderately when in active growth in mid-spring to late summer and apply a low nitrogen fertiliser every 6-8 weeks. In warm, sheltered gardens grow plants outdoors in a sunny spot in sharply draining soil and protect from winter wet

Propagation

Propagate by seed sown at 19-24°C as soon as ripe

Suggested planting locations and garden types
  • Architectural
  • Mediterranean climate plants
  • City and courtyard gardens
  • Gravel garden
  • Sub-tropical
  • Low Maintenance
  • Wall side borders
Pruning

No pruning required

Pests

May be susceptible to scale insects

Diseases

Susceptible to root rots in wet soils

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