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Prairie Dusk Beard Tongue

Penstemon barbatus 'Prairie Dusk'

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Prairie Dusk Beard Tongue (Penstemon barbatus 'Prairie Dusk') at America's Best Flowers

Prairie Dusk Beard Tongue flowers

Prairie Dusk Beard Tongue flowers

(Photo courtesy of NetPS Plant Finder)

Plant Height:  12 inches

Flower Height:  24 inches

Spacing:  14 inches

Sunlight:  full sun  partial shade 

Hardiness Zone:  3a

Other Names:  Beardtongue

Ornamental Features

Prairie Dusk Beard Tongue has masses of beautiful spikes of lilac purple tubular flowers rising above the foliage from early to mid summer, which are most effective when planted in groupings. The flowers are excellent for cutting. Its narrow leaves remain green in color throughout the season. The fruit is not ornamentally significant.

Landscape Attributes

Prairie Dusk Beard Tongue is an herbaceous perennial with an upright spreading habit of growth. Its relatively fine texture sets it apart from other garden plants with less refined foliage.

This is a relatively low maintenance plant, and is best cleaned up in early spring before it resumes active growth for the season. It is a good choice for attracting butterflies and hummingbirds to your yard. It has no significant negative characteristics.

Prairie Dusk Beard Tongue is recommended for the following landscape applications;

  • Mass Planting
  • Border Edging
  • General Garden Use
  • Container Planting

Planting & Growing

Prairie Dusk Beard Tongue will grow to be about 12 inches tall at maturity extending to 24 inches tall with the flowers, with a spread of 18 inches. When grown in masses or used as a bedding plant, individual plants should be spaced approximately 14 inches apart. It grows at a fast rate, and under ideal conditions can be expected to live for approximately 10 years.

This plant does best in full sun to partial shade. It prefers dry to average moisture levels with very well-drained soil, and will often die in standing water. It is considered to be drought-tolerant, and thus makes an ideal choice for a low-water garden or xeriscape application. It is not particular as to soil type or pH. It is somewhat tolerant of urban pollution. This is a selection of a native North American species. 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.

Prairie Dusk Beard Tongue is a fine choice for the garden, but it is also a good selection for planting in outdoor pots and containers. With its upright habit of growth, it is best suited for use as a 'thriller' in the 'spiller-thriller-filler' container combination; plant it near the center of the pot, surrounded by smaller plants and those that spill over the edges. Note that when growing plants in outdoor containers and baskets, they may require more frequent waterings than they would in the yard or garden. Be aware that in our climate, most plants cannot be expected to survive the winter if left in containers outdoors, and this plant is no exception. Contact our store for more information on how to protect it over the winter months.

 
 
Hardiness Zone Plant Height Minimum Sunlight
Characteristics
Massing  Edging  Garden  Container 
Applications
Flowers  Attracts Wildlife 
Ornamental Features
 

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