Irene Rottsieper


HISTORY

Available from one nursery in UK and possibly in Europe.
Raised by Georg Arends of Ronsdorf Germany in 1924.
An arendsii hybrid.
Astilbe japonica x Astilbe davidii.
Named after one of his employees.

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ASSESSMENT

A good tall cultivar which gives height to a bed of Astilbes.
A shame it isn't available in nurseries although the need for dwarf cultivars makes it unattractive for the modern garden.
Panicles held well above the foliage.

Height of Plant

Tall - 81-100cm

Flowering Time

Mid-season - 16th-31st July

THE PANICLE
  colour Light purple
  shape Trullate 
  length Very long - more than 36cm
  width Medium - 11-20cm
  density Loose
  Lowest branch
    angle of branching
30°
    length
15cm
    density of flowers Moderately dense
THE FLOWER
  diameter Very small - 1-2mm
  Petal
    colour Moderate purple
    shape Linear
    diameter Very small - 1-2mm
  Sepal colour Silvery
  Filament colour Moderate purple
  Carpel colour Moderate purple
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THE LEAF
  size   18cm wide x 28cm long  
  colour   Mid-green  
  nodes colour   Some red  
  stem colour   Green  
  Terminal Leaflet
    surface Matt
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