• 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

Hibanobambusa tranquillans 'Shiroshima' (v)

shiro-shima-inyô

shiro-shima-inyô

© RHS

  • Other common names shiro-shima-inyô
    inyouchikuzoku

  • Synonyms Hibanobambusa variegata
    Phyllostachys 'Shiroshima'

  • Family Poaceae

  • Genus Hibanobambusa is a hybrid bamboo forming a lax clump of slender, erect stems with oblong lance-shaped leaves

  • Details 'H. tranquillans 'Shiroshima' is a slowly spreading bamboo with slender upright canes, and bold dark green leaves streaked creamy-white, to 25cm in length

Characteristics

  • Foliage Evergreen

  • 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)

    H4

Colour

Sunlight

  • Full Sun

  • Aspect South-facing or West-facing

  • Exposure Sheltered or Exposed

Soil

  • Loam

    Loam

  • Clay

    Clay

  • MoistureMoist but well-drained

  • SoilLoam, Clay

  • pHAcid, Neutral, Alkaline

Size

  • Ultimate height 1.5-2.5 metres

  • Ultimate spread 4-8 metres

  • Time to ultimate height 5-10 years

How to grow

Cultivation Grow in moderately fertile, moist but well-drained or damp soil in partial shade, or full sun where soil stays damp in spring and summer. Usually clump-forming but creeping rootstock can become invasive in warm, moist or favourable conditions and need restraining ; see bamboo control and bamboo cultivation

Propagation Rhizome cuttings and the division of established plants in Spring

Suggested planting locations and garden types Hedging & Screens Architectural

How to care

Pruning Remove weak, dead, damaged or spindly stems in spring and thin to show off stems to best effect. Cut out any flowering shoots promptly to discourage more from forming - see bamboo cultivation

Pests Slugs may damage new shoots

Diseases Generally disease free

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