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Korean Rhododendron

Rhododendron mucronulatum

 

 
Korean Rhododendron (Rhododendron mucronulatum) at A Very Successful Garden Center

Korean Rhododendron flowers

Korean Rhododendron flowers

(Photo courtesy of NetPS Plant Finder)

Korean Rhododendron (Rhododendron mucronulatum) at A Very Successful Garden Center

Korean Rhododendron in bloom

Korean Rhododendron in bloom

(Photo courtesy of NetPS Plant Finder)

Height:  5 feet

Spread:  5 feet

Sunlight:  partial shade 

Hardiness Zone:  4

Description:

A stunning deciduous variety that's covered in purple-pink flowers in spring before the leaves; upright habit; one of the hardiest available; absolutely must have well-drained, highly acidic and organic soil, use plenty of peat moss when planting

Ornamental Features

Korean Rhododendron is draped in stunning clusters of fuchsia trumpet-shaped flowers with purple overtones at the ends of the branches in early spring before the leaves. It has green deciduous foliage. The narrow leaves turn yellow in fall.

Landscape Attributes

Korean Rhododendron is a multi-stemmed deciduous shrub with an upright spreading habit of growth. 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.

Korean Rhododendron is recommended for the following landscape applications;

  • Accent
  • Mass Planting
  • General Garden Use

Planting & Growing

Korean Rhododendron will grow to be about 5 feet tall at maturity, with a spread of 5 feet. It tends to be a little leggy, with a typical clearance of 1 foot from the ground, and is suitable for planting under power lines. 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 a location that gets morning sunlight but is shaded from the hot afternoon sun, although it will also grow in partial shade. 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 may require supplemental watering during periods of drought or extended heat. 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 species is not originally from North America.

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

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