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Azalea Knaphill Pentanthera Agnes 3 Litre Pot

Deciduous flowering shrub. Soft creamy-white to pale yellow trumpet-shaped flowers bloom in late spring above fresh green foliage. Ideal for borders, woodland gardens, and specimen planting. Hardy and reliable. Prefers partial shade and acidic, well-drained soil. Ultimate height 1.5–2m.

Knap Hill azaleaRhododendron (Pentanthera/Knap Hill Group) 'Agnes'
H6 (-20 to -15°C) 1-1.5m × 1-1.5m Deciduous Average Rate Of Growth Pot Grown
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Price:£18.50
SKU: 172289VAT included.
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Similar plants, different budgets

From Deciduous Plants
Knap Hill azalea
Rhododendron (Pentanthera/Knap Hill Group) 'Agnes'
Hardiness
H6 (-20 to -15°C)
Mature size
1-1.5m tall × 1-1.5m wide
Foliage
Deciduous
Supplied as
Pot Grown
Growth rate
Average Rate Of Growth

Azalea ‘Pentanthera Agnes’ – Elegant Pale-Flowered Azalea for Woodland Gardens

Azalea ‘Pentanthera Agnes’ is a refined deciduous azalea known for its elegant clusters of soft creamy-white to pale yellow flowers that appear in late spring. The large trumpet-shaped blooms bring a gentle, luminous quality to the garden, standing out beautifully against fresh spring foliage.

The flowers appear in generous clusters along the branches, creating a graceful and natural display. Their soft colouring blends effortlessly into woodland-style planting schemes and works particularly well with pastel azaleas, rhododendrons, and shade-loving perennials.

With its naturally bushy and upright growth habit, ‘Pentanthera Agnes’ forms a well-shaped shrub that is ideal for mixed borders, woodland gardens, or specimen planting. It brings a calm and elegant presence to shaded areas of the garden.

Like other deciduous azaleas, it thrives in partial shade and prefers acidic, well-drained soil enriched with organic matter. Once established, it is hardy and dependable, requiring only minimal pruning after flowering to maintain its shape.

Graceful, subtle, and beautifully refined, Azalea ‘Pentanthera Agnes’ is an excellent choice for adding soft spring colour to woodland-style gardens.


Seasonal Highlights

Spring: Fresh green foliage emerges.
Late Spring: Creamy-white to pale yellow flowers bloom in clusters.
Summer: Healthy green foliage forms a dense shrub.
Autumn: Leaves may develop warm seasonal tones before falling.


Key Features

Creamy-white flowers – Soft, elegant colouring.
Large trumpet blooms – Graceful spring display.
Deciduous shrub – Seasonal interest throughout the year.
Woodland garden favourite – Thrives in partial shade.
Hardy and reliable – Excellent UK garden performer.


Perfect For

Woodland gardens – Natural planting schemes.
Mixed borders – Gentle seasonal colour.
Specimen shrubs – Elegant standalone display.
Acid-loving planting – Rhododendron companions.
Partially shaded gardens – Ideal growing conditions.


Growing Tips

Sun/Position: Partial shade; tolerates sun if soil remains moist.
Soil: Acidic, moist but well-drained soil (ericaceous).
Hardiness: Fully hardy across the UK.
Care: Mulch annually with ericaceous compost; prune lightly after flowering if required.

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