• 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

Muscari neglectum

common grape hyacinth

  • Other common names common grape hyacinth
    grape flower

    starch hyacinth

    see more
  • Synonyms Muscari leucostomum
    Muscari pulchellum

    Muscari bucharicum
    Muscari racemosum

    see more
  • Family Asparagaceae

  • Genus Muscari are bulbous perennials with linear or strap-shaped leaves and small bell-shaped, tubular or urn-shaped flowers borne in a dense raceme on an erect leafless stem

  • Details M. neglectum is a bulbous perennial to 30cm in height, with narrow, arching, green leaves that first appear in autumn, and erect stems bearing dense spikes of egg-shaped flowers up to 7mm in length in spring. The upper flowers are pale to mid-blue and the lower ones deep violet to blackish-blue

  • Plant range Europe to C Asia


  • Foliage Deciduous

  • Habit Tufted

  • 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)




  • Full Sun

  • Partial Shade

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

  • Exposure Sheltered or Exposed


  • Clay


  • Chalk


  • Loam


  • Sand


  • MoistureMoist but well-drained, Well-drained

  • SoilClay, Chalk, Loam, Sand

  • pHAcid, Alkaline, Neutral


  • Ultimate height 0.1-0.5 metres

  • Ultimate spread 0-0.1 metre

  • Time to ultimate height 2-5 years

How to grow

Cultivation Plant 10cm deep in autumn in any moderately fertile, well-drained soil. Lift and divide congested clumps when dormant in summer maintain vigour. May be invasive

Propagation Propagate by seed, sown in autumn, in containers in a cold frame or separate offsets in summer

Suggested planting locations and garden types Garden Edging Low Maintenance Underplanting of Roses and Shrubs Flower borders and beds Ground Cover City & Courtyard Gardens Gravel Garden Patio & Container Plants Wildflower meadow Cottage & Informal Garden Rock Garden

How to care

Pruning No pruning required; faded foliage may be removed if required

Pests Generally pest free

Diseases May be subject to a virus

Did you find the information you were looking for?

RHS members can get exclusive individual advice from the RHS Gardening Advice team.

Join the RHS now

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.