Astilbe 'Astary White' (× _arendsii_) (Astary Series)

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astilbe 'Astary White'

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Bogs Herbaceous Perennial
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A dwarf, compact, mound/clump-forming perennial with glossy dark green deeply divided ovate to lance-shaped leaves and slender erect stems bearing dense frothy triangular panicles of white flowers in summer between June and August

Position

Partial shade

Soil Types

Clay, Loam

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Clay Loam
Moisture
Moist but well–drained or Poorly–drained
pH
Acid or Alkaline or Neutral

Position

Partial shade
Aspect
East–facing or West–facing or North–facing
Exposure
Sheltered
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)
H7

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Saxifragaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Clump forming
Genus
Astilbe are rhizomatous herbaceous perennials with attractive, usually ternately divided leaves and erect plume-like panicles of tiny white, pink or purple flowers in summer. The old, brown flower-heads remain attractive in autumn
Name Status
Accepted

How to Grow

Cultivation

Grow in moist but well-drained or boggy soil in dappled shade, or in indirect sun where the soil remains moisture-retentive in summer. Drought intolerant, may be damaged in hot sun. Good for waterside planting. See Astilbe cultivation

Propagation

Propagate by division. Divide overcrowded clumps every three to four years and discard older rhizomes to maintain vigour

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Patio and container plants
  • Ground cover
  • Garden edging
  • Flower borders and beds

Pruning

Plumes flower once and gradually fade over several weeks. Remove spent flowers stalks to improve appearance or leave in place to dry for ornamental interest.

Pests

May be susceptible to vine weevil. Tolerates rabbits and deer

Diseases

May be susceptible to Powdery mildews