• AGM plants

    AGM plants have been through a rigourous 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

Miscanthus sinensis 'Ferner Osten'

Eulalia 'Ferner Osten'

AGM plants

AGM plants have been through a rigourous 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
Eulalia 'Ferner Osten'

© � RHS 1999

  • Other common names Eulalia 'Ferner Osten'

  • Genus Miscanthus can be deciduous or evergreen grasses with tufted or spreading habit, erect stems bearing arching, linear leaves and terminal panicles of silky spikelets in late summer or autumn

  • Family Poaceae / Poaceae

  • Species 'Ferner Osten' is a clump-forming deciduous grass to 1.5m tall, with narrow, arching leaves which turn dull orange in autumn and early winter, and feathery flower panicles which open deep red, ageing to pink and silver

Characteristics

  • Foliage Deciduous

  • 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)
    Old hardiness ratings

    While we update our systems with the new hardiness ratings you may still see old hardiness ratings in your search results. These are denoted as 'Old'.

    • H1 - Requires heated glass
    • H2 - Requires unheated glass
    • H3 - Hardy outside in some regions of the UK
    • H4 - Hardy throughout the UK
    • H1 + H3 - Requires heated glass but may be grown outside in summer

    For full details of the hardiness ratings see

    see more

    H7

Colour

Sunlight

  • Full Sun

  • Aspect South-facing or North-facing or West-facing or East-facing

  • Exposure Exposed or Sheltered

Soil

  • Chalk

    Sand

  • Chalk

    Clay

  • Chalk

    Chalk

  • Chalk

    Loam

  • MoistureWell-drained, Moist but well-drained

  • SoilSand, Clay, Chalk, Loam

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height

    1-1.5 metres

  • Ultimate spread

    0.5-1 metres

  • Time to ultimate height

    2-5 years

How to grow

Cultivation Grow in any moderately fertile, moist but well-drained soil in full sun. Protect from excessive winter wet

Propagation Propagate by seed sown in pots in a cold frame in spring or by division in spring. Can be slow to establish

Suggested planting locations and garden types Flower borders and beds Architectural City & Courtyard Gardens Coastal Cottage & Informal Garden

How to care

Pruning Remove dead foliage and old flowered stems in spring

Pests Generally pest free

Diseases Generally disease free

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