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azalea 'Mary Helen' | Plant Finder | Fill My Garden

Home/Plants/Shrubs

Plants > Shrubs

azalea 'Mary Helen'

Rhododendron 'Mary Helen' (Glenn Dale) (EA)

Low Maintenance

Genus: Rhododendron
Family: Ericaceae

About this plant

A spreading evergreen shrub with glossy green, small leaves and large, white flowers with a wavy margin up to 5cm across with a yellow spotting and dark anthers, produced in early June.

Growing Information

Height

0.5-1 Metres

Spread

1-1.5 Metres

Hardiness

Foliage

Evergreen

Growing Conditions

Sunlight

Partial Shade

Soil

ChalkLoamSandy

Acid

Not Currently Available

This plant is not currently stocked at any garden centres on our platform.

Moisture

Poorly Drained

Aspect

South FacingNorth FacingWest FacingEast Facing

Exposure

Exposed

Care Guide

Cultivation

Grow in moist but well-drained, humus rich acid soil in a sheltered position in part shade; see rhododendron cultivation

Pruning

Pruning group 8

Propagation

Propagate by semi-ripe cuttings in late summer

Pests

May be susceptible to vine weevil, rhododendron leafhopper, pieris lacebug, scale insects, caterpillars and aphids

Diseases

May be susceptible to various Rhododendron diseases including powdery mildew, rhododendron petal blight, rhododendron bud blast, silver leaf and honey fungus

Garden Uses

Uses

Cottage InformalGround CoverPatio Container

Planting Places

Conservatory

Season of Interest

SpringSummerAutumn

Size & Characteristics

Height

0.5-1 Metres

Spread

1-1.5 Metres

Time to Full Height

Ten To Twenty Years