• 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

Kirengeshoma palmata

yellow wax-bells

  • Other common names yellow wax-bells
    palmate kirengeshoma

  • Family Hydrangeaceae

  • Genus Kirengeshoma are rhizomatous perennials with palmately lobed, maple-like leaves and branched sprays of tubular bell-shaped, pale yellow flowers

  • Details K. palmata is an herbaceous perennial forming a clump to 1.2m, with palmately lobed leaves and dark maroon stems bearing nodding, fleshy, narrowly bell-shaped creamy-yellow flowers to 3.5cm in length in open panicles

  • Plant range Japan Korea

Characteristics

  • Foliage Deciduous

  • Habit Clump-forming

  • 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

  • Partial Shade

  • Full Shade

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

  • Exposure Sheltered

Soil

  • Sand

    Sand

  • Loam

    Loam

  • Clay

    Clay

  • MoistureMoist but well-drained

  • SoilSand, Loam, Clay

  • pHAcid

Size

  • Ultimate height 0.5-1 metres

  • Ultimate spread 0.5-1 metres

  • Time to ultimate height 2-5 years

How to grow

Cultivation Grow in moist, lime-free soil enriched with leaf mould. Prefers partial shade but tolerates denser shade; shelter from cold winds

Propagation Propagate by seed in pots in a cold frame as soon as seed is ripe or in spring (germination may be erratic). Propagate by division as growth begins in spring

Suggested planting locations and garden types Flower borders and beds Cottage & Informal Garden

How to care

Pruning Old flower stems can be cut down after flowering

Pests May be attacked by slugs and snails

Diseases Generally disease free

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