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Herbaceous Perennial

Polygonatum falcatum A. Gray

sickle-shaped Solomon's seal

A clump-forming, rhizomatous, herbaceous perennial 50-90cm high with slightly arching stems, narrowly lance-shaped green leaves, 8-20cm long and 1.8-2.5cm wide, and a cluster in each upper leaf axil of from two to five hanging, green-tipped white flowers, 1-2cm long, in late spring, sometimes followed by blue-black fruit, 3-4mm across.

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green White Green
Summer Green Black Blue
Autumn Yellow Black Blue
Winter
Position
  • Partial shade
Aspect

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

Exposure
Sheltered
Hardiness
H6
Botanical details
Family
Asparagaceae
Native to the UK
No
Foliage
Deciduous
Habit
Clump forming
Potentially harmful
Harmful if eaten. Wear gloves and and other protective equipment when handling TOXIC to pets if eaten (dogs) - see the HTA guide to potentially harmful plants for further information and useful contact numbers
Genus

Polygonatum are rhizomatous herbaceous perennials with erect or arching stems bearing glossy, elliptic leaves and pendent, tubular or bell-shaped flowers, sometimes followed by black or red berries

Name status

Correct

Plant range
Japan Korea

How to grow

Cultivation

Grow in fertile, humus-rich, moisture-retentive but well-drained soil in partial shade; will also tolerate sun or full shade if soil is cool and moist

Propagation

Propagate by seed, sown in containers in a cold frame in spring, or by division of the rhizomes when growth begins in spring, taking care to avoid damaging any young, brittle shoots

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

No pruning required

Pests

May be susceptible to slugs and by Solomon's seal sawfly larvae

Diseases

Generally disease-free

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