Overview

Rhododendron 'Lewis Monarch' is a bushy shrubs in the genus Rhododendron, part of the Ericaceae family, with evergreen foliage. Rhododendron 'Lewis Monarch' grows best in partial shade, and tolerates loam soils and acid pH. Its UK hardiness is rated H5. Suggested uses include woodland gardens and containers on shaded patios.

About

Rhododendron 'Lewis Monarch' is an evergreen shrub with a bushy habit, belonging to the genus Rhododendron, which includes both evergreen and deciduous shrubs or trees. It thrives in partial shade with an east or west-facing aspect and prefers moist but well-drained acidic loam soil. This cultivar is hardy to UK zone H5 and is suited to sheltered locations. It is ideal for woodland gardens or containers on shaded patios, coming into interest during spring. Cultivation involves mulching with leaf mould and propagation can be done by semi-ripe cuttings, layering, or grafting.

Growing conditions

Best soil and position for Rhododendron

Sunlight
Partial shade
Soil type
Loam
Soil pH
Acid
Soil moisture
Moist but well-drained
Aspect
East-facing, West-facing
Exposure
Sheltered
UK hardiness
H5

Plant details

Rhododendron 'Lewis Monarch' size, habit and characteristics

Plant type
Shrubs
Habit
Bushy
Foliage
Evergreen
Suggested uses
Woodland gardens, Containers on shaded patios

Care notes

Pruning and caring for Rhododendron 'Lewis Monarch'

Propagation
Semi-ripe cuttings, Layering, Grafting
Pest resistance
Vine weevil, Rhododendron leafhopper, Pieris lacebug, Scale insects, Caterpillars, Aphids
Disease resistance
Powdery mildews, Rhododendron petal blight, Rhododendron bud blast, Silver leaf, Honey fungus

Frequently asked questions

Where is the best place to plant Rhododendron 'Lewis Monarch'?

Rhododendron 'Lewis Monarch' prefers partial shade. It suits sheltered positions.

What soil does Rhododendron 'Lewis Monarch' need?

Rhododendron 'Lewis Monarch' grows best in loam soil. It prefers acid soil. Aim for soil that stays moist but well-drained.

Is Rhododendron 'Lewis Monarch' hardy in the UK?

Rhododendron 'Lewis Monarch' has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.

How do I propagate Rhododendron 'Lewis Monarch'?

Semi-ripe cuttings, Layering, Grafting.

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