• Evergreen
    Rigid, thick leaves 5-12cm (2-4¾in) long, brown-scaly beneath
  • White
  • Height
    1-2m (3-6½ft)
  • Spread
    1-2m (3-6½ft)
  • Medium shrub
    Typically grow to around 4-6 feet in height
    Stout, scaly young shoots. Funnel-shaped flowers 5-8cm (2-3¼in) across
  • Half hardy - unheated greenhouse / mild winter
    Hardy in coastal and relatively mild parts of the UK except in severe winters and a risk from sudden (early) frosts. May be hardy elsewhere with wall shelter or good micro-climate. Likely to be damaged or killed in cold winters. Plant can withstand temperatures down to -5°C (23°F)

RHODODENDRON crassum

 
Available again from summer 2022 - Could be any time, June through to end August. This is not a guaranteed date but an estimate and subject to availability.
£30.00 each 
Delivery Information Available again from summer 2022
  • Additional Features
    Burncoose speciality
    See Burncoose Speciality group for more details
    Good to know
    R. maddenii subsp. crassum. A good conservatory plant for colder areas
    Pests & Diseases
    Vine weevils, scale insects, powdery mildew, bud blast, honey fungus
    Place of origin
    Eastern Himalayas, China.
  • Burncoose Specialities
    Rhododendrons
  • Core Plants
    Rhododendron
  • Garden Location/Conditions
    Greenhouse / conservatory
    Not the sort of plants to be grown outside where there are likely to be frosts. These plants need to be grown in a conservatory or cool greenhouse or at least brought inside for the winter
    Filtered or dappled light
  • Hardiness
    Frost hardy (down to -5)
  • Leaf margin
    Entire
    (see photos above)
  • Leaf shape
    Oblanceolate
    (see photos above)
  • Pruning group
    Pruning group 5
    Suitable for: Evergreen shrubs that require minimal pruning.
    Action: Trim or lightly cut back shoots that spoil symmetry. Deadhead regularly.
    When: Annually after flowering.

    RHS group 8
  • Scented Plants
    Scented flowers
  • Seasonal Interest
    Spring
    Summer
  • Soil Conditions
    Acid / ericaceous loving
    Ideally pH 4.5-6.0
    Fertile moist well-drained soil
    Humus-rich
    Neutral to acid soil
  • Toxic - Category C
    Harmful if eaten
    (People & Pets)
  • Wildlife
    Rabbit Resistant
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Cold weather damage to evergreen plants
Rhododendron - Care Guide
Rhododendron - Propagation
Rhododendron - Video Spotlights
Shrubs and Trees - Seeds - 1) Collecting Seeds
Shrubs and Trees - Seeds - 2) Storing Seeds
Shrubs and Trees - Seeds - 3) Planting Seeds
1-2m (3-6½ft)
Medium Shrub - guide for size not form Average Person
  1-2m (3-6½ft)
 

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