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BogsHerbaceous Perennial

Astilbe 'Hennie Graafland' (_simplicifolia_ hybrid)

astilbe 'Hennie Graafland'

A clump-forming perennial to 65cm with shiny, bronzed, dark green, divided foliage. Fairly dense, narrow plumes of light pink flowers are produced in late summer

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Ultimate height

0.5–1 metres

Time to ultimate height

2–5 years

Ultimate spread

0.1–0.5 metres

Clay

Loam

Moisture

Moist but well–drained, Poorly–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

South–facing or North–facing or West–facing or East–facing

Exposure

Exposed or 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)

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, fertile, humus-rich soil in full sun or grow in partial shade where soil is not likely to dry out in the summer. Plants must be divided every three to four years to maintain vigour

Propagation

Propagate by division in late winter or early spring, pot divisions under glass and plant out in late spring

Suggested planting locations and garden types

Cottage and informal garden
Flower borders and beds

Pruning

Can cut back after flowering, or delay until spring as faded flower spikes can remain attractive in autumn and winter

Pests

Generally pest-free

Diseases

May be susceptible to Powdery mildews and leaf scorch in hot sun

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