Polygonatum odoratum

RHS Plant Profile
angular Solomon's seal

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Other common names

angled Solomon's seal

Synonyms

Polygonatum vulgare
Polygonatum japonicum
Convallaria polygonatum
Polygonatum officinale

Herbaceous Perennial
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A perennial with arching stems bearing elliptic leaves and, in each axil, one or two fragrant, tubular, green-tipped, creamy-white flowers

Position

Full shade, Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.5-1 metres

Growing Conditions

Chalk Clay Loam Sand
Moisture
Moist but well–drained
pH
Acid or Alkaline or Neutral

Position

Full shade Full sun Partial shade
Aspect
South–facing or North–facing or West–facing or East–facing
Exposure
Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H7

Colour & Scent

Fragrance Flower
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Asparagaceae
Native to GB/Ireland
Yes
Foliage
Deciduous
Habit
Spreading branched
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
Europe to Japan

How to Grow

Cultivation

Grow in any fertile, humus-rich, moist but well-drained soil in full sun, partial shade or shade

Propagation

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

Suggested planting locations and garden types

  • Cut flowers
  • Flower borders and beds
  • Underplanting of roses and shrubs

Pruning

Cut back to the base in late autumn

Pests

May be susceptible to slugs and solomon's seal sawfly

Diseases

Generally disease-free