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BogsHerbaceous Perennial

Astilbe 'Red Sentinel' (_japonica_ hybrid)

astilbe 'Red Sentinel'

Compact, clump-forming perennial, up to 70cm high, with glossy, dark green, divided leaves tinged with dark red in spring, and deep crimson flowers in dense spikes to 30cm long, in early summer

Synonyms
Astilbe japonica 'Red Sentinel'
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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.5–1 metres
Growing conditions
Clay
Loam
Moisture
Moist but well–drained, ±Ê´Ç´Ç°ù±ô²â–d°ù²¹¾±²Ô±ð»å
pH
Acid, Neutral, Alkaline
Colour & scent
StemFlowerFoliageFruit
Spring Red Green
Summer Green Pink Red Green
Autumn Green
Winter
Position
  • Partial shade
Aspect

West–facing or East–facing or ±·´Ç°ù³Ù³ó–f²¹³¦¾±²Ô²µ

Exposure
Sheltered
Hardiness
H7
Botanical details
Family
Saxifragaceae
Native to the UK
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 in spring

Suggested planting locations and garden types
  • Cottage and informal garden
  • City and courtyard gardens
  • Flower borders and beds
  • Cut flowers
Pruning

No pruning required, but the dead stems may be cut to ground level in late winter

Pests

May be susceptible to vine weevil

Diseases

May be susceptible to Powdery mildews and a leaf spot

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