Allium 'His Excellency' Allium macleanii 'His Excellency'

allium 'His Excellency'


'His Excellency' is a bulbous perennial, to 1.2m high, with strap-shaped, basal leaves and, from late spring into summer, rounded umbels, up to 13cm in diameter, of star-shaped purple-blue flowers borne on sturdy, upright stems

Plant Info
Common Problems

About this plant

  • memoNames

    • Family


    • Synonyms

      allium 'His Excellency'

    • Common names

      Allium 'His Excellency'

  • infoCharacteristics

    • Foliage type


    • Height

      1-1.5 metres

    • Spread

      0.1-0.5 metres

    • Hardiness zones


  • sunLight

    Full Sun

  • scissorsPruning

    No pruning required

  • bambooSoil

    SoilChalk, Clay, Loam, Sand

  • pinSuitable locations

    • Hardiness zone

      Cut Flowers Flower borders and beds Architectural Cottage & Informal Garden City & Courtyard Gardens Gravel Garden

  • sproutPropogation

    • Propagate by seed, sowing in containers in a cold frame when just ripe or in the spring. Alternatively, remove offsets in autumn

  • insectPests

    Generally pest free

  • microbeDiseases

    Onion white rot and a downy mildew may occur