Can I Make Red Again Leaves Husker Red Penstemon
'Husker Cherry' Foxglove Beardtongue, Penstemon digitalis 'Husker Red'
Penstemon is a big genus of herbaceous perennials in the plantain family (Plantaginaceae) native to Due north America. Most are best suited for western climates where in that location are bacteria soils and less humid atmospheric condition. P. digitalis – normally called foxglove beardtongue or polish penstemon – is an exception, being one of the few penstemons that does well in areas with moist winters and boiling summers. The species is found in prairies, fields, forth the edges of woodlands or in open forests and along roads and railroad tracks in the eastern part of North America from eastern Canada to Virginia and from S Dakota to eastern Texas to Alabama. The cultivar 'Husker Ruby-red' was developed by Dale Lindgren at the Academy of Nebraska and released in 1983 with the name referencing the school's color (and the maroon colour of the leaf) and nickname, the Cornhuskers. Information technology was the Perennial Plant Association Plant of the Year in 1996 and is hardy in zones iii to viii.
This somewhat short-lived herbaceous rhizomatous perennial grows in a clump with a cluster of basal rosettes upward to 2 feet broad. The cultivar 'Husker Red' has burgundy colored foliage while the leaves are green in the species and other cultivars. The species may be up to 5 anxiety tall just this cultivar is more often than not only 2-3 feet alpine in bloom. The glossy basal leaves are somewhat variable merely are generally elliptic with smooth margins and a rounded to pointed tip, and oft having wavy edges. The opposite leaves farther up along the flower stems are smaller, oblong to lance-shaped, and often toothed. The nighttime colour of the foliage is most intense early in the growing flavour, becoming greener by summer.
Foxglove beardtongue blooms for about a month in mid-spring to early summer. One or more erect bloom stalks emerge from the clustered rosettes, developing arable flowers in panicles on the rigid deep majestic stems. 'Husker Red' is more floriferous than the species. The tubular white flowers are upward to 1¼ inches long, resembling the finger of a glove, emerging from the calyx with short, narrowly triangular lobes. The flower stalk, calyx and exterior of the bloom are all covered in curt, dense, sticky glandular hairs. Each flower has ii lips, a white style and v stamens (the 4 with black tips appressed to the upper part of the tube are fertile and the ane with a yellow tip is sterile; the common proper name of beardtongue comes from the tuft of modest hairs on the sterile stamen). The upper lip has two rounded lobes and the lower lip has three rounded lobes that are slightly larger than the lobes on the upper lip. The scentless flowers, which may have a pink chroma or fine violet nectar guides inside the corolla, are attractive to bees and butterflies, and may be visited by hummingbirds. They can likewise exist used as cut flowers.
If not deadheaded, flowers are followed past rounded to egg-shaped seed capsules which tin provide some ornamental interest every bit they persist into early winter. When ripe, the dry seed capsules separate open to release the numerous small, finely pitted and irregularly angled nighttime seeds. Plants volition self-seed but the foliage of the seedlings may not exist every bit maroon as the parent institute.
Although information technology tin tolerate partial shade, grow 'Husker Red' in full sun for more than intense leafage color. It does best in well-drained loam, but grows well in clay soils and is drought tolerant. When grown in rich soils, the flowers may require staking.
'Husker Cerise' beardtongue is a good addition to informal borders, cottage gardens, native plantings and wild gardens or naturalized areas. Combine a unmarried establish with shorter companions with bright greenish foliage as a specimen, or institute many together for a mass of nighttime leaf and profuse white flowers. Information technology works well in rain gardens equally it tolerates periodic dry out and moist conditions (but not always wet soil). It combines well with many native plants including blue flowered spiderworts (Tradescantia spp.), blueish simulated indigo (Baptisia australis), and native grasses such as prairie dropseed. Try information technology with short catmints (Nepeta faassenii), lady's mantle (Alchemilla mollis) and purple alliums.
'Husker Cherry' doesn't take any serious pest problems, other than root rot if sited in poorly drained locations. Information technology is non favored by deer and rarely browsed by rabbits. Propagate the cultivar past segmentation in spring or cuttings taken in summer. Plants grown from seed may non have the nighttime-colored foliage that makes this cultivar so attractive. Seed ripens in the fall and germinates best with cold-moist stratification and low-cal.
Some other cultivars and hybrids of P. digitalis include:
- 'Night Towers' – a hybrid of P. digitalis 'Husker Scarlet' and Penstemon 'Prairie Splendor' (created past Dale Lindgren), with large light pinkish flowers and glossy, darker ruddy leaf that stays ruddy longer into the summertime.
- 'Mystica' – has statuary to maroon leaf in early spring, large lite lavender pink flowers, and the leaves change to red in the fall.
- 'Pink Dawn' – has glossy, deep green foliage and flowers that are purple-pink on the outside and white inside. Information technology is shorter than the species at merely about 2 feet alpine.
- 'Pocahontas' – has red foliage in spring and afterward deep dark-green, burgundy washed leaves and lavander pink flowers.
– Susan Mahr, University of Wisconsin – Madison
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Source: https://hort.extension.wisc.edu/articles/husker-red-foxglove-beardtongue-penstemon-digitalis-husker-red/
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