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Supernova Blue Primrose

Primula 'Supernova Blue'

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Supernova Blue Primrose (Primula 'Supernova Blue') at Van Atta's Greenhouse

Supernova Blue Primrose flowers

Supernova Blue Primrose flowers

(Photo courtesy of NetPS Plant Finder)

Plant Height:  4 inches

Flower Height:  6 inches

Spacing:  8 inches

Sunlight:  partial shade  full shade 

Hardiness Zone:  4

Group/Class:  Supernova Group

Description:

This variety features stunning clusters of blooms in deep blue with sunny yellow centers, above deep green foliage for wonderful contrast; a colorful display in a border or container planting

Ornamental Features

Supernova Blue Primrose features delicate clusters of blue star-shaped flowers with yellow eyes rising above the foliage from early to late spring. Its crinkled oval leaves remain dark green in color throughout the year. The fruit is not ornamentally significant.

Landscape Attributes

Supernova Blue Primrose is an herbaceous evergreen perennial with a mounded form. Its relatively fine texture sets it apart from other garden plants with less refined foliage.

This is a relatively low maintenance plant, and should be cut back in late fall in preparation for winter. It is a good choice for attracting butterflies and hummingbirds to your yard. It has no significant negative characteristics.

Supernova Blue Primrose is recommended for the following landscape applications;

  • Mass Planting
  • Rock/Alpine Gardens
  • Border Edging
  • General Garden Use
  • Container Planting

Planting & Growing

Supernova Blue Primrose will grow to be only 4 inches tall at maturity extending to 6 inches tall with the flowers, with a spread of 10 inches. When grown in masses or used as a bedding plant, individual plants should be spaced approximately 8 inches apart. Its foliage tends to remain low and dense right to the ground. It grows at a fast rate, and under ideal conditions can be expected to live for approximately 5 years.

This plant does best in partial shade to shade. It requires an evenly moist well-drained soil for optimal growth, but will die in standing water. It is not particular as to soil type or pH. 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 both summer and winter to conserve soil moisture and protect it in exposed locations or colder microclimates. This particular variety is an interspecific hybrid. It can be propagated by division; however, as a cultivated variety, be aware that it may be subject to certain restrictions or prohibitions on propagation.

Supernova Blue Primrose is a fine choice for the garden, but it is also a good selection for planting 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 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
Characteristics
Massing  Rock  Edging  Garden  Container 
Applications
Flowers  Texture  Attracts Wildlife 
Ornamental Features