shrub

Concho Azalea

Rhododendron 'Concho'

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Concho Azalea (Rhododendron 'Concho') at Martin's Home and Garden

Concho Azalea flowers

Concho Azalea flowers

(Photo courtesy of NetPS Plant Finder)

Height:  16 inches

Spread:  16 inches

Sunlight:  full sun  partial shade 

Hardiness Zone:  6b

Description:

The blooms on this variety are a dazzling display of lilac and purple with crimson spots throughout, and are showy when massed in a border; absolutely must have well-drained, highly acidic and organic soil, use plenty of peat moss when planting

Ornamental Features

Concho Azalea is covered in stunning clusters of lightly-scented purple trumpet-shaped flowers with crimson spots at the ends of the branches in mid spring before the leaves. It has green foliage throughout the season. The glossy narrow leaves do not develop any appreciable fall color. The fruit is not ornamentally significant.

Landscape Attributes

Concho Azalea is a dense multi-stemmed deciduous shrub with a mounded form. Its relatively fine texture sets it apart from other landscape plants with less refined 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.

Concho Azalea is recommended for the following landscape applications;

  • Mass Planting
  • Border Edging
  • General Garden Use
  • Container Planting

Planting & Growing

Concho Azalea will grow to be about 16 inches tall at maturity, with a spread of 16 inches. It tends to fill out right to the ground and therefore doesn't necessarily require facer plants in front. 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.

Concho Azalea makes a fine choice for the outdoor landscape, but it is also well-suited for use in outdoor pots and containers. It is often used as a 'filler' in the 'spiller-thriller-filler' container combination, providing a mass of flowers against which the thriller plants stand out. Note that when grown in a container, it may not perform exactly as indicated on the tag - this is to be expected. Also note that when growing plants in outdoor containers and baskets, they may require more frequent waterings than they would in the yard or garden.

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