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Plant Finder Tool

Selection based on Spring inventory levels and may no longer be a true representation.

Feel free to call us at 905-945-2219 for confirmation or special order. 

shrub

Polar Night Rhododendron*

Rhododendron 'Polar Night'

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Polar Night Rhododendron (Rhododendron 'Polar Night') at Cole's Florist & Garden Centre

Polar Night Rhododendron flowers

Polar Night Rhododendron flowers

(Photo courtesy of NetPS Plant Finder)

* This is a "special order" plant - contact store for details

Height:  3 feet

Spread:  5 feet

Sunlight:  full sun  partial shade 

Hardiness Zone:  6b

Other Names:  Polarnacht Rhododendron

Description:

An unusual and stunning variety with deep dark purple blooms emerging from near black buds; a very warm and elegant accent plant; absolutely must have well-drained, highly acidic and organic soil, use plenty of peat moss when planting

Ornamental Features

Polar Night Rhododendron is covered in stunning clusters of deep purple trumpet-shaped flowers at the ends of the branches in late spring, which emerge from distinctive black flower buds. It has dark green foliage. The glossy narrow leaves remain dark green throughout the winter. The fruit is not ornamentally significant.

Landscape Attributes

Polar Night 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.

Polar Night Rhododendron is recommended for the following landscape applications;

  • Accent
  • Mass Planting
  • General Garden Use

Planting & Growing

Polar Night Rhododendron will grow to be about 3 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. 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.

 

* This is a "special order" plant - contact store for details

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