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Blue Diamond Rhododendron

Rhododendron 'Blue Diamond'

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Blue Diamond Rhododendron (Rhododendron 'Blue Diamond') at Lakeshore Garden Centres

Blue Diamond Rhododendron flowers

Blue Diamond Rhododendron flowers

(Photo courtesy of NetPS Plant Finder)

Height:  4 feet

Spread:  4 feet

Sunlight:  full sun  partial shade 

Hardiness Zone:  7a

Description:

This captivating, evergreen shrub is bathed in clusters of beautiful violet-blue blooms in spring; small foliage is azalea-like and bronzes in winter; an excellent choice to mass in groupings, as a focal point of the garden; must have rich acidic soil

Ornamental Features

Blue Diamond Rhododendron is bathed in stunning clusters of lightly-scented violet trumpet-shaped flowers with blue overtones at the ends of the branches in mid spring. It has attractive dark green evergreen foliage. The small glossy oval leaves are highly ornamental and turn coppery-bronze in the fall, which persists throughout the winter.

Landscape Attributes

Blue Diamond Rhododendron is a dense 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.

Blue Diamond Rhododendron is recommended for the following landscape applications;

  • Accent
  • Mass Planting
  • General Garden Use

Planting & Growing

Blue Diamond Rhododendron will grow to be about 4 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. You may want to keep it away from hot, dry locations that receive direct afternoon sun or which get reflected sunlight, such as against the south side of a white wall. 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 foliage 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.

This plant is not reliably hardy in our region, and certain restrictions may apply; contact the store for more information.

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