Rhododendrons make up an incredibly diverse group of plants, originating from many parts of the Northern hemisphere with a large concentration in China and the Himalayas. These plants vary from tiny ground covering plants to species growing as understory plants in forests. Most flower in early spring, although some bear flowers for a brief period in autumn.
Rhododendron ‘Madame Masson’ is an old and reliable rhododendron bearing large, white flowers with yellow blotches, in May and June. For best results, grow ‘Madame Masson’ in dappled to partial shade in moist but well-drained, acidic soil. Plants need minimal pruning and can be propagated by layering. Rhododendron 'Madame Masson' has been awarded the Royal Horticultural Society's Award of Garden Merit (AGM).
Plant calendar
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Plant
yes
yes
yes
yes
yes
yes
yes
yes
Flowers
yes
yes
Prune
yes
Rhododendron ‘Madame Masson’ and wildlife
Rhododendron ‘Madame Masson’ has no particular known value to wildlife in the UK.
Is Rhododendron ‘Madame Masson’ poisonous?
Rhododendron ‘Madame Masson’ can be toxic.
Toxic to:
Is known to attract Cats
Cats
Is known to attract Dogs
Dogs
Is known to attract Horses
Horses
No reported toxicity to:
Is not known to attract Birds
Birds
Is not known to attract Livestock
Livestock
Is not known to attract People
People
Plants that go well with Rhododendron 'Madame Masson'
