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Herbaceous Perennial

Polygonatum stenanthum

narrow-anthered Solomon's Seal

A clump-forming, rhizomatous perennial with arching shoots up to 2m bearing broadly ovate leaves up to 30cm long. Hanging, bell-shaped, green and white flowers are produced in late spring and early summer, followed by black berries

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Size
Ultimate height
1.5–2.5 metres
Time to ultimate height
5–10 years
Ultimate spread
1–1.5 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 White Green Black
Autumn Green Black
Winter
Position
  • Partial shade
Aspect

North–facing or West–facing or East–facing

Exposure
Sheltered
Hardiness
H7
Botanical details
Family
Asparagaceae
Native to the UK
No
Foliage
Deciduous
Habit
Bushy
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

How to grow

Cultivation

Grow in fertile, humus-rich, moist but well-drained soil in partial shade

Propagation

Propagate by division in spring taking care not to damage young brittle shoots

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

Cut back to the base in late autumn

Pests

May be susceptible to slugs and solomon's seal sawfly

Diseases

Generally disease-free

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