• AGM plants

    AGM plants have been through a rigorous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Agave parrasana

cabbage head agave

AGM plants

AGM plants have been through a rigorous trial and assessment programme. They are:

  • Excellent for ordinary use in appropriate conditions
  • Available to buy
  • Of good constitution
  • Essentially stable in form & colour
  • Reasonably resistant to pests & diseases
cabbage head agave

© RHS

  • Other common names cabbage head agave

  • Synonyms Agave wislizenii

  • Family Asparagaceae

  • 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

  • Details A. parrasana is a slow-growing, rosette-forming, compact succulent to 60cm tall and wide. The short and broad, waxy, overlapping leaves are a pale blue-green with hooked teeth along the margins. After a number of years, flowers that are red in bud, but opening to yellow, are borne in panicles on sturdy stems reaching up to 6m high

  • Plant range NE Mexico

Characteristics

  • Foliage Evergreen

  • Habit Bushy

  • Hardiness

    Hardiness ratings

    All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

    • H1a - Under glass all year (>15C)
    • H1b - Can be grown outside in the summer (10 - 15)
    • H1c - Can be grown outside in the summer (5 - 10)
    • H2 - Tolerant of low temperatures, but not surviving being frozen (1 to 5)
    • H3 - Hardy in coastal and relatively mild parts of the UK (-5 to 1)
    • H4 - Hardy through most of the UK (-10 to -5)
    • H5 - Hardy in most places throughout the UK even in severe winters (-15 to -10)
    • H6 - Hardy in all of UK and northern Europe (-20 to -15)
    • H7 - Hardy in the severest European continental climates (< -20)

    H2

Colour

Sunlight

  • Full Sun

  • Aspect South-facing or West-facing

  • Exposure Sheltered

Soil

  • Sand

    Sand

  • MoistureWell-drained

  • SoilSand

  • pHAcid, Neutral

Size

  • Ultimate height 0.5-1 metres

  • Ultimate spread 0.5-1 metres

  • Time to ultimate height 10-20 years

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 cacti and succulent cultivation for further information

Propagation Propagate by seed, or remove offsets

Suggested planting locations and garden types Drought Resistant Low Maintenance Architectural City & Courtyard Gardens Patio & Container Plants Gravel Garden

How to care

Pruning None required

Pests Prone to scale insects

Diseases Generally trouble free

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