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Shrub · DeciduousSKU 169677

Azalea Knaphill Avondgloed 3 Litre Pot

Azalea Knaphill Avondgloed 3 Litre Pot

Rhododendron 'Avondgloed' (Knap Hill Group)

Azalea Avondgloed are medium sized deciduous azalea. Large trumpet-shaped frgrant pink trusses in May. Height can reach to 1.5m 
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Knap Hill Azalea 'Avondgloed'
Rhododendron 'Avondgloed' (Knap Hill Group)
Sunlight
Full sun, Partial shade
Hardiness
H6 (-20 to -15°C)
Mature size
1-1.5m tall × 1-1.5m wide
Foliage
Deciduous
Flowers
Orange, Red
Flowering
Spring
Soil
Clay, Loam, Sand
Aspect
North-facing, South-facing, East-facing, West-facing
Supplied as
Pot Grown
Growth rate
Moderate
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About Azalea Knaphill Avondgloed 3 Litre Pot

Azalea ‘Avondgloed’ – Brilliant Orange-Red Knaphill Azalea for Spring Colour

Azalea ‘Avondgloed’ is a striking Knaphill azalea, producing clusters of vivid orange-red trumpet-shaped flowers in late spring. The intense colour creates a dramatic burst of warmth in the garden, standing out beautifully against the fresh green foliage as the shrub comes into bloom.

The flowers appear in generous clusters along the branches, creating a rich and eye-catching display. Planted in groups or combined with other azaleas and rhododendrons, ‘Avondgloed’ provides a spectacular highlight within woodland-style borders.

With its naturally bushy, upright habit, this variety works beautifully as a specimen shrub or within mixed borders where strong spring colour is desired. It pairs especially well with ferns, hostas, and other shade-loving plants that complement its woodland character.

Like other Knaphill azaleas, ‘Avondgloed’ thrives in partial shade and prefers acidic, well-drained soil enriched with organic matter. Once established, it is hardy and reliable, requiring little maintenance beyond occasional shaping after flowering.

Vibrant, dramatic, and wonderfully dependable, Azalea ‘Avondgloed’ is an excellent choice for gardeners looking to introduce bold late spring colour.

Seasonal Highlights

Spring: Fresh green foliage begins to emerge.
Late Spring: Bright orange-red flowers bloom in clusters.
Summer: Healthy green foliage forms a dense shrub.
Autumn: Leaves may develop warm seasonal tones.

Key Features

Orange-red flowers – Bold spring colour.
Large trumpet blooms – Eye-catching clusters.
Deciduous shrub – Seasonal interest.
Woodland garden favourite – Thrives in partial shade.
Hardy and reliable – Excellent garden performer.

Perfect For

Woodland gardens – Natural planting schemes.
Mixed borders – Seasonal focal point.
Specimen shrubs – Standalone spring display.
Acid-loving planting – Rhododendron companions.
Partially shaded gardens – Ideal 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.

Plants well with

Our growers' picks to plant alongside Azalea Knaphill Avondgloed 3 Litre Pot for a fuller, longer-lasting display.