Onyx and rose bloom12/6/2023 (Zones 5-9 Height: 12 to 18 inches Bloom time: Early to late summer) Rocky Mountain beardtongue ( P. Two popular selections include rosy pink Red Rocks® and violet purple Pikes Peak Purple®. The range of flower colors cover the full penstemon spectrum. Mexicali penstemons are hybrids of Mexican species having large, showy flowers crossed with native North American species that exhibit good cold-tolerance. (Zones: 4-9 Height: 10 to 12 inches Bloom time: Late spring to midsummer) Mexicali hybrids ( P. Native to southern New Mexico and eastern Arizona. Loose spires of bright orange-red flowers and evergreen foliage that resembles tiny pine needles. (Zones: 5-8 Height: 3 to 6 feet Bloom time: Late spring) Pineleaf penstemon ( P. Native to southern California, Arizona and Utah, it thrives in arid climates and dry, sandy soils. One of the few that are fragrant, honey-scented light pink flowers are held high on spikes as tall as 6 feet. ![]() (Zones: 4-8 Height: 1 to 3 feet Bloom time: Early to midspring) Pink snapdragon ( P. eatonii):Ī native of California and the Southwest, with brilliant red hummingbird-magnet flowers and large, leathery evergreen leaves. Weiser / Millette Photomedia Firecracker penstemon ( P. (Zones: 6-10 Height: 1 to 1½ feet Bloom time: May to June)įirecracker penstemon. Cultivars include 'Blue Springs' and ‘Electric Blue’. Resistant to both drought and heat and will thrive on dry rocky slopes and hillsides. heterophyllus):Ī California native with glossy blue-green leaves and blue flowers on slender spikes. (Zones: 3-8 Height: 3 to 5 feet Bloom time: May to June) Foothill penstemon ( P. The elegant trumpet-shaped flowers are white or pale pink with the inner surfaces often marked by violet-colored nectar guides. Native to the northern Great Plains and northeastern states, this species is more tolerant of high humidity and moist soil than those of western origin. (Zones: 4-8 Height: 2 to 3 feet Bloom time: June to September) Foxglove beardtongue ( P. Native to the Southwest, it grows best in dry climates. barbatus):Ī showy plant with erect spikes of 2-inch-long reddish-orange flowers and glossy lance-shaped leaves. These are some of the most adaptable and widely available choices: Common beardtongue ( P. ![]() “There are so many good penstemons, with new ones coming onto the marketplace every year, that everywhere in North America, it is possible to grow at least one penstemon native to your area.” “The beauty and variability of penstemons have brought them to the forefront of home gardening, especially in areas subjected to droughts,” says Jennifer Bennett, author of Dryland Gardening. has at least one native penstemon, demonstrating the amazing range of climates to which they are suited. Although many are native to arid regions of the West and Southwest, almost every state in the continental U.S. If you want to grow varieties that require the least amount of soil preparation and watering and will overwinter reliably, choose species that are native to your area and thrive in soil conditions and climates similar to yours. The pollen-free stamen (or staminode) protrudes from the flower and is covered by small hairs, thus the common name beardtongue. ![]() The name is derived from the Greek words penta and stemon, referring to the flower’s five stamens, four of which are fertile and one sterile. Part of the plantain family (Plantaginaceae), penstemons are a huge genus of plants encompassing approximately 270 species and over 800 cultivars and hybrids.
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