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Direcktor E. Hjelm Rhododendron

Rhododendron 'Direcktor E. Hjelm'

 

 
Direcktor E. Hjelm Rhododendron (Rhododendron 'Direcktor E. Hjelm') at A Very Successful Garden Center

Direcktor E. Hjelm Rhododendron flowers

Direcktor E. Hjelm Rhododendron flowers

(Photo courtesy of NetPS Plant Finder)

Direcktor E. Hjelm Rhododendron (Rhododendron 'Direcktor E. Hjelm') at A Very Successful Garden Center

Direcktor E. Hjelm Rhododendron in bloom

Direcktor E. Hjelm Rhododendron in bloom

(Photo courtesy of NetPS Plant Finder)

Height:  7 feet

Spread:  6 feet

Sunlight:  partial shade 

Hardiness Zone:  5

Description:

This stunning evergreen shrub is bathed in clusters of beautiful bright pink blooms with a contrasting copper blotch; an excellent choice to mass in groupings, or as an elegant focal point of the garden; must have rich acidic soil

Ornamental Features

Direcktor E. Hjelm Rhododendron is bathed in stunning clusters of lightly-scented pink trumpet-shaped flowers with a coppery-bronze blotch at the ends of the branches in late spring. It has dark green evergreen foliage which emerges olive green in spring. The narrow leaves remain dark green throughout the winter.

Landscape Attributes

Direcktor E. Hjelm Rhododendron 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.

Direcktor E. Hjelm Rhododendron is recommended for the following landscape applications;

  • Accent
  • Mass Planting
  • General Garden Use

Planting & Growing

Direcktor E. Hjelm Rhododendron will grow to be about 7 feet tall at maturity, with a spread of 6 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 particular variety is an interspecific hybrid.

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

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