• 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

Eucryphia × nymansensis

Nymans eucryphia

Nymans eucryphia

© RHS 1999

  • Other common names Nymans eucryphia

  • Family Cunoniaceae

  • Genus Eucryphia can be evergreen or deciduous shrubs or trees, with simple or pinnate leaves and solitary bowl-shaped white flowers in the leaf axils in summer or autumn

  • Details E. x nymansensis is an evergreen tree of dense, broadly columnar habit, with dark green leaves composed of 1 - 3 oblong leaflets, and rose-like white flowers 6cm wide in late summer and autumn

Characteristics

  • Foliage Evergreen

  • Habit Columnar/Upright

  • 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

Soil

  • Loam

    Loam

  • Sand

    Sand

  • MoistureMoist but well-drained

  • SoilLoam, Sand

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height Higher than 12 metres

  • Ultimate spread 2.5-4 metres

  • Time to ultimate height 20-50 years

How to grow

Cultivation Best grown in fertile, moist but well-drained, neutral to acid soil but tolerant of alkaline soil. Situate in full sun with shelter from cold, drying winds

Propagation Take semi-ripe cuttings in summer and overwinter young plants in a cool greenhouse. Root softwood cuttings with bottom heat of 19-21°C (65-70°F)

Suggested planting locations and garden types Flower borders and beds Low Maintenance Architectural

How to care

Pruning Pruning group 1 or pruning group 9

Pests Generally trouble free

Diseases Generally trouble free

Advertise here

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