• 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

Ornithogalum umbellatum

common star of Bethlehem

  • Other common names common star of Bethlehem
    dove's dung

    eleven o'clock lady
    Jack-go-to-bed-at-noon
    nap at noon
    sleepy Dick
    summer snowflake
    ten o'clock lady

    see more
  • Family Asparagaceae

  • Genus Ornithogalum are bulbous perennials with linear or strap-shaped basal leaves and racemes, sometimes contracted, of star-shaped or cup-shaped, white, yellow or orange flowers

  • Details O. umbellatum is a bulbous perennial, often spreading rapidly by offsets, with linear leaves each with a white mid-vein, and umbel-like racemes of star-shaped white flowers, green on the outside, in early summer

  • Plant range Europe Med.

Characteristics

  • Foliage Deciduous

  • Habit Bushy

  • Toxicity All parts may cause severe discomfort if ingested, and the sap may irritate skin

  • 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)

    H6

Colour

Sunlight

  • Full Sun

  • Partial Shade

  • Aspect South-facing or West-facing

  • Exposure Sheltered or Exposed

Soil

  • Chalk

    Chalk

  • Loam

    Loam

  • Sand

    Sand

  • MoistureWell-drained

  • SoilChalk, Loam, Sand

  • pHAlkaline, Neutral, Acid

Size

  • Ultimate height 0.1-0.5 metres

  • Ultimate spread 0-0.1 metre

  • Time to ultimate height 1-2 years

How to grow

Cultivation Plant bulbs in autumn 10cm (4in) deep in well-drained soil in full sun; tolerant of partial shade. Ideal for naturalising but may become invasive

Propagation Propagate by seed in containers in a cold frame in autumn or spring. For bulb propagation remove offsets when dormant

Suggested planting locations and garden types Flower borders and beds City & Courtyard Gardens Coastal Cottage & Informal Garden

How to care

Pruning No pruning required

Pests Generally pest free

Diseases Generally disease free

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