• AGM plants

    AGM plants have been through a rigorous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Polygonatum odoratum

angular Solomon's seal

  • Other common names angular Solomon's seal
    angled Solomon's seal

  • Synonyms Polygonatum officinale
    Convallaria polygonatum

    Polygonatum vulgare
    Polygonatum japonicum

    see more
  • Family Asparagaceae

  • 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

  • Details P. odoratum is a perennial with arching stems bearing elliptic leaves and, in each axil, one or two fragrant, tubular, green-tipped, creamy-white flowers

  • Plant range Europe to Japan

Characteristics

  • Foliage Deciduous

  • Habit Spreading / Branched

  • Fragrance Flower

  • Toxicity All parts may cause severe discomfort if ingested

  • 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

Sunlight

  • Full Shade

  • Full Sun

  • Partial Shade

  • Aspect South-facing or North-facing or West-facing or East-facing

  • Exposure Sheltered

Soil

  • Chalk

    Chalk

  • Sand

    Sand

  • Clay

    Clay

  • Loam

    Loam

  • MoistureMoist but well-drained

  • SoilChalk, Sand, Clay, Loam

  • pHAlkaline, Neutral, Acid

Size

  • Ultimate height 0.5-1 metres

  • Ultimate spread 0.1-0.5 metres

  • Time to ultimate height 2-5 years

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

How to care

Pruning Cut back to the base in late autumn

Pests May be attacked by slugs and sawflies

Diseases Generally disease free

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