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Position

Sun exposure:
Dappled shade, partial shade
Aspect:
East facing, west facing
Position in border:
Back, middle

Soil

Acidic / Chalky / Alkaline / Clay / Heavy / Moist / Well Drained / Light / Sandy

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 'Horizon Monarch' is a beautiful variety with large yellow flowers, tinged with tones of sunset oranges and pinks. For best results, grow Rhododendron 'Horizon Monarch' in dappled to partial shade in moist but well-drained, acidic soil. Plants need minimal pruning and can be propagated by layering. Rhododendron 'Horizon Monarch' has been given the Royal Horticultural Society's prestigious Award of Garden Merit (AGM).

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Plant calendar

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Rhododendron ‘Horizon monarch’ and wildlife

Rhododendron ‘Horizon monarch’ is known for attracting bees. It has nectar/pollen rich flowers.

Is known to attract Bees
Bees
Is not known to attract Beneficial insects
Beneficial insects
Is not known to attract Birds
Birds
Is not known to attract Butterflies/​Moths
Butterflies/​Moths
Is not known to attract Other pollinators
Other pollinators

Is Rhododendron ‘Horizon monarch’ poisonous?

Rhododendron ‘Horizon monarch’ can be toxic.

Toxic to:
Is known to attract Cats
Cats
Is known to attract Dogs
Dogs
Is known to attract Horses
Horses
Is known to attract Livestock
Livestock
No reported toxicity to:
Is not known to attract Birds
Birds
Is not known to attract People
People
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