Rhododendron 'Delta' (Rhododendron 'Delta')

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Skill rating Intermediate
skill rating
Ultimate spread 2m
max. spread
Ultimate height 2m
max. height
Time to maturity 10-20 years
to maturity
Maintenance level 2 hours care
per year
Toxic - All parts are poisonous if ingested. This plant
is toxic!

Botanical name: Rhododendron 'Delta'

Other names: Rhododendron 'Delta'


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Genus: Rhododendron

Variety or cultivar: 'Delta' _ 'Delta' is an upright, bushy, evergreen shrub with large, leathery, elliptic, dark green leaves and, in late spring and early summer, large, dense clusters of funnel-shaped, bright pink to lilac-pink flowers, each with a prominent orange blotch.

Rhododendron 'Delta' is: Evergreen

Flower: Bright-pink, Lilac-pink in Spring; Lilac-pink, Bright-pink in Summer

Foliage: Dark-green in All seasons

Habit: Bushy, Upright

Toxicity: All parts are poisonous if ingested.

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Watch out for

Specific pests: Aphids , Caterpillars , Leafhoppers , Vine weevil , Lacebugs

Specific diseases: Powdery mildew , Rhododendron bud blast , Rhododendron petal blight , Silver leaf

General care

Propagation methods: Semi-hardwood cuttings, Grafting, Layering. REGISTER to read more...


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Rhododendron 'Delta' (Rhododendron 'Delta') will reach a height of 2m and a spread of 2m after 10-20 years.


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Suggested uses: Banks and Slopes, Beds and borders, Containers, Cottage/Informal, Low Maintenance, Wallside and trellises

Cultivation: Plant in moist, humus-rich, well-drained acid soil in sun or dappled shade. Plant shallowly. Protect from frost to prevent damage to flowers.

Suitable for your garden?
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This plant likes... Garden match
Soil types: Clay, Loamy, Sandy Match unknown
Soil drainage: Moist but well-drained, Well-drained Match unknown
Soil pH: Acid Match unknown
Light: Partial Shade, Full Sun Match unknown
Aspect: North, South, East, West Match unknown
Exposure: Sheltered Match unknown
Hardiness: Hardy (H4) Match unknown

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