shrub

Autumn Sunburst Azalea

Rhododendron 'Autumn Sunburst'

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Autumn Sunburst Azalea (Rhododendron 'Autumn Sunburst') at Calloway's Nursery

Rhododendron 'Autumn Sunburst' flowers

Rhododendron 'Autumn Sunburst' flowers

(Photo courtesy of NetPS Plant Finder)

Height:  3 feet

Spread:  4 feet

Sunlight:  full sun  partial shade 

Hardiness Zone:  5

Group/Class:  Encore Azalea

Description:

Clustered blooms that are coral pink with striking white edges cover this azalea in mid-spring with additional, lighter flushes in summer and fall; contrasting deep green glossy foliage; needs highly acidic and organic soil that is well drained

Ornamental Features

Autumn Sunburst Azalea is covered in stunning clusters of coral-pink trumpet-shaped flowers with shell pink overtones and white edges at the ends of the branches from mid spring to early fall. It has dark green foliage. The glossy narrow leaves remain dark green throughout the winter. The fruit is not ornamentally significant.

Landscape Attributes

Autumn Sunburst Azalea is an open multi-stemmed evergreen shrub with an upright spreading habit of growth. Its relatively coarse texture can be used to stand it apart from other landscape plants with finer foliage.

This is a relatively low maintenance shrub, and should only be pruned after flowering to avoid removing any of the current season's flowers. It has no significant negative characteristics.

Autumn Sunburst Azalea is recommended for the following landscape applications;

  • Accent
  • Mass Planting
  • General Garden Use

Planting & Growing

Autumn Sunburst Azalea will grow to be about 3 feet tall at maturity, with a spread of 4 feet. It tends to be a little leggy, with a typical clearance of 1 foot from the ground. It grows at a slow rate, and under ideal conditions can be expected to live for 40 years or more.

This shrub does best in full sun to partial shade. It requires an evenly moist well-drained soil for optimal growth, but will die in standing water. It is very fussy about its soil conditions and must have rich, acidic soils to ensure success, and is subject to chlorosis (yellowing) of the leaves in alkaline soils. It is somewhat tolerant of urban pollution, and will benefit from being planted in a relatively sheltered location. Consider applying a thick mulch around the root zone in winter to protect it in exposed locations or colder microclimates. This particular variety is an interspecific hybrid.

 
 
Hardiness Zone Plant Height Minimum Sunlight Soil pH Preference
Characteristics
Accent  Massing  Garden 
Applications
Flowers  Winter Value 
Ornamental Features