perennial

Dark Towers Beardtongue

Penstemon 'Dark Towers'

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Dark Towers Beardtongue (Penstemon 'Dark Towers') at Minor's Garden Center

Dark Towers Beardtongue flowers

Dark Towers Beardtongue flowers

(Photo courtesy of NetPS Plant Finder)

Dark Towers Beardtongue (Penstemon 'Dark Towers') at Minor's Garden Center

Dark Towers Beardtongue in bloom

Dark Towers Beardtongue in bloom

(Photo courtesy of NetPS Plant Finder)

Height:  30 inches

Spacing:  18 inches

Sunlight:  full sun  partial shade 

Hardiness Zone:  3b

Other Names:  Beard Tongue

Ornamental Features

Dark Towers Beardtongue has masses of beautiful spikes of white tubular flowers with a pink reverse rising above the foliage from early to mid summer, which emerge from distinctive violet flower buds, and which are most effective when planted in groupings. The flowers are excellent for cutting. Its attractive glossy narrow leaves emerge burgundy in spring, turning dark green in color with distinctive deep purple edges. The foliage often turns brown in fall. The fruit is not ornamentally significant. The deep purple stems are very colorful and add to the overall interest of the plant.

Landscape Attributes

Dark Towers Beardtongue is an herbaceous perennial with an upright spreading habit of growth. Its medium texture blends into the garden, but can always be balanced by a couple of finer or coarser plants for an effective composition.

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.

Dark Towers Beardtongue is recommended for the following landscape applications;

  • Mass Planting
  • General Garden Use
  • Container Planting

Planting & Growing

Dark Towers Beardtongue will grow to be about 30 inches tall at maturity, with a spread of 30 inches. When grown in masses or used as a bedding plant, individual plants should be spaced approximately 18 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 not particular as to soil type or pH. It is somewhat tolerant of urban pollution. This particular variety is an interspecific hybrid. It can be propagated by cuttings; however, as a cultivated variety, be aware that it may be subject to certain restrictions or prohibitions on propagation.

Dark Towers Beardtongue 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.

Sizes Available:

#1 Cont. $15.99

 
 
Hardiness Zone Plant Height Minimum Sunlight
Characteristics
Massing  Garden  Container 
Applications
Flowers  Foliage Color  Bark  Attracts Wildlife 
Ornamental Features
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7777 N. 76th St., Milwaukee, WI 53223
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