Astilbe Younique White

Description

Astilbe ‘Younique White’ – astilbe

Botanical name: Astilbe ‘Younique White’
Common names: Astilbe, false goat’s beard
Family: Saxifragaceae
Plant type: Herbaceous perennial
Habit: Clump-forming
Pot size: 2–3 litre pot
Eventual size: Approx. 40–50cm tall × 45cm spread
Foliage: Ferny, divided, green foliage; deciduous
Flowers: Dense, full, feathery plumes of pure white flowers in summer (June–August)
Scent: Not notably scented
Aspect / light: Partial shade (tolerates full sun only if the soil stays reliably moist)
Soil: Moist to wet, fertile, humus-rich; must not dry out; any pH
Hardiness: RHS H7 (very hardy, below −20°C); USDA zones 4–8
Exposure: Sheltered
Native range: Garden form; the parent species are native to Asia
Toxicity / pet & child safety: Generally considered non-toxic to people and pets

Astilbe ‘Younique White’ is a compact, vigorous astilbe with dense, full plumes of pure white flowers over ferny foliage in summer. Free-flowering and reliable for lighting up moist, shady borders and pots.

GardenAdvice notes

A superb perennial for moist shade, astilbe is grown for its handsome, ferny, divided foliage and its beautiful feathery plumes of tiny flowers in summer, which glow in a shady border and dry to attractive rusty seedheads. It is the classic plant for damp, partly shaded spots — pond and stream sides, bog gardens and moist woodland borders.

Growing & planting

Plant in spring or autumn in moist to wet, fertile, humus-rich soil in partial shade — the most important thing is that the soil never dries out, as astilbes hate drought. Work in plenty of compost or leaf mould, and mulch. Space appropriately for size.

Care & maintenance

Low-maintenance provided it is kept moist. Water generously in dry spells. Leave the faded plumes standing, as they dry to attractive rusty seedheads for winter, then cut back in late winter or early spring. Feed and mulch in spring. Lift and divide congested clumps every few years in spring.

Propagation

• Division: Lift and divide established clumps in spring, as growth begins.

Pests & diseases

Generally trouble-free in moist soil. Its one real enemy is drought, which scorches and browns the foliage. Powdery mildew or vine weevil occasionally occur. Kept moist, it is easy and reliable.

Uses in the garden

Superb beside ponds and streams, in bog gardens, moist and shady borders and woodland gardens, where its ferny foliage and feathery plumes bring colour and texture to damp shade; the dried seedheads give winter interest and the plumes are good for cutting.

Wildlife value

The flower plumes are attractive to bees, butterflies and other pollinating insects, and the seedheads offer some interest for wildlife.

Toxicity & safety

Astilbe is generally regarded as non-toxic to people and pets.

GardenAdvice tip

‘Younique White’ is a compact, generous astilbe with full pure-white plumes that glow beautifully in a shady spot — white being especially useful for lighting up damp, dim corners. It’s vigorous and free-flowering in a pot or border; keep it reliably moist at all times, and enjoy the plumes drying to rusty seedheads for winter.

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