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Family: Plantaginaceae Genus: Penstemon (PEN-stem-on) (Info) Cultivar: Dark Towers Additional cultivar information: (PP20013) Hybridized by Lindgren; Year of Registration or Introduction: 2007
Hardiness: USDA Zone 3a: to -39.9 °C (-40 °F) USDA Zone 3b: to -37.2 °C (-35 °F) USDA Zone 4a: to -34.4 °C (-30 °F) USDA Zone 4b: to -31.6 °C (-25 °F) USDA Zone 5a: to -28.8 °C (-20 °F) USDA Zone 5b: to -26.1 °C (-15 °F) USDA Zone 6a: to -23.3 °C (-10 °F) USDA Zone 6b: to -20.5 °C (-5 °F) USDA Zone 7a: to -17.7 °C (0 °F) USDA Zone 7b: to -14.9 °C (5 °F) USDA Zone 8a: to -12.2 °C (10 °F) USDA Zone 8b: to -9.4 °C (15 °F)
Sun Exposure: Full Sun Sun to Partial Shade
Danger: N/A
Bloom Color: Pink
Bloom Time: Late Spring/Early Summer Mid Summer
Foliage: Burgundy
Other details: This plant is attractive to bees, butterflies and/or birds Average Water Needs; Water regularly; do not overwater
Soil pH requirements: 6.1 to 6.5 (mildly acidic) 6.6 to 7.5 (neutral) 7.6 to 7.8 (mildly alkaline)
Patent Information: Patented
Propagation Methods: By dividing the rootball From softwood cuttings
Seed Collecting: N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
On Jul 9, 2012, ms_greenjeans from Hopkins, MN (Zone 4a) wrote:
This is a lovely variety of penstemon. The foliage is very dark and glossy. It has a strong upright habit and long bloom period. The flowers are white, or nearly white, with a lavender blush. Quite pretty.
On Jun 4, 2012, myncgarden from Zirconia, NC wrote:
Second year, and only two plants, but they are both large and beautiful and look quite striking in the perennial border. Great dark burgundy foliage, stands out beautifully against a green backdrop; pale pink/white tinged flower. Plants are growing strong so far, getting about 5-6 hours of sun; no staking has been required. Each plant is about 3 ft tall and about half as wide and each one holds its own in a border where other perennials (agastache, coneflower, coreopsis, etc) are in large groupings. So far I highly recommend it.
On Jul 20, 2010, northgrass from West Chazy, NY (Zone 4b) wrote:
This plant is about 30 inches high, gets sun most of the day. It is its second year in my garden and looking good all season.
Regional...
This plant has been said to grow in the following regions:
Cornwall Bridge, Connecticut Cherry Valley, Illinois Washington, Illinois Rising Sun, Maryland Norton, Massachusetts Hopkins, Minnesota St Paul, Minnesota Randolph, New Jersey Elizabeth City, North Carolina Zirconia, North Carolina Amherst, Ohio Rockvale, Tennessee Garland, Texas Kalama, Washington
2 vendors have this plant for sale.
