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- Royal Penstemon - Calscape
Royal Penstemon is native to the western United States where it can be found in many types of habitat, including plateau and foothill scrub and sub-alpine mountain forests It is a perennial herb growing erect to a maximum height near 60 centimeters
- Penstemon speciosus (Royal Penstemon) - Gardenia
Penstemon speciosus (Royal Penstemon) is a clump-forming perennial with several ascending to erect stems boasting charming wands of sky blue flowers, 1 5 in long (4 cm), in late spring to mid-summer The blossoms attract bees, butterflies, and numerous pollinators
- Royal Penstemon - USDA Plants Database
Royal penstemon is chiefly used as a forb component for wildlife habitat enhancement projects and restoration efforts Its showy flowers attract numerous pollinators and other insects which provide a food source for birds and other vertebrates This species is also commonly used in xeriscaping and other low-water-use landscaping
- ROYAL PENSTEMON - Bureau of Land Management
Royal penstemon (Penstemon speciosus Douglas ex Lindl ) is a member of family Plantaginageae, the plantain family, subgenus Habroanthus (Keck) Crossw , section Glabri (Rydb ) Penn Previously placed in the family Scrophulariaceae, the genus Penstemon was moved to Plantaginaceae based on DNA sequencing studies (see Olmstead 2002) NRCS Plant Code
- Royal penstemon (Penstemon speciosus) - Western Forbs
Royal penstemon is a highly variable, short-lived, perennial herb that ranges from 3 to 26 (35) in (7-65 [90] cm) tall (Hitchcock et al 1959; Cronquist et al 1984; Neese and Atwood 2015; Freeman 2019) and has a rooting depth of 14 in (36 cm) (USDA NRCS 2024)
- How to Grow and Care for Royal penstemon - PictureThis
Royal penstemon, also known as Showy Penstemon, Royal Beardtongue, Stagebrush Penstemon Royal penstemon is a hardy perennial that thrives with minimal care, making it a novice-friendly option Special care points include a preference for well-draining soil and exposure to full sun to encourage robust growth and flowering
- Penstemon speciosus Lindl. - Calflora
Penstemon speciosus is a perennial herb that is native to California, and also found elsewhere in western North America
- Penstemon Speciosus, Royal Penstemon - American Southwest
Purple wildflowers of western USA: Penstemon speciosus, royal penstemon: hairless, lanceolate leaves and clusters of blue or purple flowers, noticeably expanded above the base
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