Thursday 30th June. Due to staff shortages in the office, there will be delays in answering telephones. There is full information on availabilities and ordering on the website.

RHODODENDRON oldhamii

Commonly known as Formosan azalea

  • Evergreen
    Green to yellow-green leaves
  • Red
    Salmon to brick red
  • Height
    1.2m (4ft)
  • Spread
    1.2m (4ft)
  • Medium shrub
    Typically grow to around 4-6 feet in height
    Spreading, open-branched shrub. Produces flowers, to 5cm (2in) across, in clusters of 1-3
  • Hardy - cold winter
    Hardy in most places throughout the UK even in severe winters. May not withstand open/exposed sites or central/northern locations. Plant can withstand temperatures down to -15°C (5°F)
  • Partial shade

RHODODENDRON oldhamii

 
Estimated availability autumn 2022 - Not yet confirmed. Could be any time between September and December.
£24.00 each 
MULTIBUY SAVING

Any 3+ £21.50 each
Delivery Information Estimated availability autumn 2022

 

  • Additional Features
    Good to know
    Shallow planting is essential. Can flower sporadically through to autumn
    Pests & Diseases
    Vine weevils, whiteflies, scale insects, caterpillars, aphids, honey fungus, powdery mildew, bud blast.
    Place of origin
    Taiwan. Collected by Richard Oldham, Kew, UK., 1864.
  • Burncoose Specialities
    Rhododendrons
  • Core Plants
    Rhododendron
  • Garden Location/Conditions
    Suitable for small gardens
  • Hardiness
    Fully hardy
  • Leaf margin
    Entire
    (see photos above)
  • Leaf shape
    Elliptic
    (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
  • Seasonal Interest
    Autumn
    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 (4ft)
Medium Shrub - guide for size not form Watering Can
  1.2m (4ft)
 

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