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
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Size
Ultimate height
0.5鈥�1 metresTime to ultimate height
2鈥�5 yearsUltimate spread
0.5鈥�1 metresGrowing conditions
Moisture
Moist but well鈥揹rained, 笔辞辞谤濒测鈥揹谤补颈苍别诲pH
Acid, Neutral, AlkalineColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Red Green | |||
|---|---|---|---|---|
| Summer | Green | Pink Red | Green | |
| Autumn | Green | |||
| Winter |
Position
- Partial shade
Aspect
West鈥揻acing or East鈥揻acing or 狈辞谤迟丑鈥揻补肠颈苍驳
Exposure
Sheltered Hardiness
H7Botanical 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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