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

 
Available Early Spring 2022 - Spring according to the Met office is defined as March 1st - May 31st. Therefore early spring is early March to mid-April. This is not a guaranteed date but an estimate and subject to availability.
£24.00 each 
MULTIBUY SAVING

Any 3+ £21.50 each
Delivery Information Available Early Spring 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
  • 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)
 

Useful extras...

Share this page

Twitter Facebook Digg
Visit the Caerhays Castle website
Order the 2022 Burncoose Catalogue
Payment methods accepted
watch us on you tube
Visit Burncoose House - Holiday Accommodation
Burncoose Nurseries: Gwennap, Redruth, Cornwall TR16 6BJ
Telephone: +44 (0) 1209 860316 Email: info@burncoose.co.uk
© Burncoose Nurseries 1997 - 2022      Website by Forgecom
All plant pictures are copyright © Burncoose Nurseries unless otherwise stated.
No rights are given to download any of our pictures and use them (for personal or professional use) without our consent.