Anemone Splendens

Description

Anemone ‘Splendens’ – Japanese anemone

Botanical name: Anemone hupehensis ‘Splendens’
Common names: Japanese anemone, windflower
Family: Ranunculaceae
Plant type: Herbaceous perennial
Habit: Clump-forming, spreading, with tall wiry flower stems
Pot size: 2–3 litre pot
Eventual size: Approx. 80–90cm tall × spreading
Foliage: Divided, dark green leaves in a low basal clump; deciduous
Flowers: Single, deep rose-pink flowers with golden centres, late summer into autumn (August–October)
Scent: Not notably scented
Aspect / light: Full sun to partial shade
Soil: Moist but well-drained, fertile, humus-rich; any pH
Hardiness: RHS H6 (hardy, to about −20°C); USDA zones 4–8
Exposure: Sheltered or open; tolerant
Native range: Garden form; the parent species are native to Asia
Toxicity / pet & child safety: Low toxicity; the sap can irritate skin, and the plant may cause mild stomach upset if eaten

Anemone ‘Splendens’ is a fine Japanese anemone with single, deep rose-pink golden-centred flowers on tall wiry stems over a long late display. Graceful and reliable for sun or partial shade.

GardenAdvice notes

One of the finest of all late-season perennials, the Japanese anemone carries its elegant, saucer-shaped flowers on tall, wiry, branching stems, swaying gracefully above neat clumps of divided foliage from late summer well into autumn. It brings invaluable colour and airy grace to the garden just as summer fades, thriving in sun or partial shade and coping happily with the shade beneath trees and shrubs.

Growing & planting

Plant in spring or autumn in moist but well-drained, fertile, humus-rich soil in full sun to partial shade — it tolerates quite a lot of shade and is excellent in a partly shaded border. It can be slow to establish in its first year, but then settles and spreads. Space about 45–60cm apart. Water well while establishing.

Care & maintenance

Low-maintenance once established. Water in dry spells in its first year. Leave the seed heads for winter interest, or cut back after flowering; tidy the old growth in late winter or spring. Once settled it spreads by underground runners and can be vigorous, so lift and reduce it if it exceeds its space — this is also the way to propagate it.

Propagation

• Division: Lift and divide, or detach rooted pieces of the spreading roots, in spring or autumn.
• Root cuttings: Can be propagated from root cuttings in winter.

Pests & diseases

Generally trouble-free and healthy. It can be slow to establish, then spreads vigorously, which is its main trait to manage. Powdery mildew occasionally occurs in dry spells. Otherwise robust and reliable.

Uses in the garden

Superb in mixed, cottage and shady borders, woodland edges and among shrubs, where its tall, elegant late flowers bring grace and colour from late summer into autumn, filling the gap as summer perennials fade.

Wildlife value

The open flowers are a valuable late-season source of nectar and pollen for bees and other pollinating insects.

Toxicity & safety

Japanese anemone has a low level of toxicity: the sap can irritate skin, so wear gloves when cutting it, and the plant may cause mild stomach upset if eaten.

GardenAdvice tip

‘Splendens’ is a classic single deep-pink Japanese anemone, its glowing rose flowers with golden centres held elegantly on tall stems from late summer into autumn. Give it moist, fertile soil in sun or part shade, be patient in its first year, then enjoy years of graceful late colour as it settles and gently spreads through the border.

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