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Amsonia jonesii
Amsonia jonesii is a plant in the bluestar genus Amsonia known by the common name Colorado desert bluestar. It is in the dogbane family, but a separate genus. It grows in the deserts surrounding the Colorado River in the United States. It is now grown as a garden plant for its masses of light blue flowers and low water usage.
Since the 1990s Colorado desert bluestar has become a recommended plant for xeriscaping by utilities and botanic gardens. It has a very low water usage and is adapted to a wide variety of soils from somewhat clay to sandy or gravelly soils. It is deer resistant and hardy in USDA zones 4–8, and may be hardy into zone 9. It is also valued for not fading as much in summer heat, being long lived, and only requiring the removal of dead stems in the spring if a more cultivated appearance is desired.
The natural range of Amsonia jonesii is in the southwestern United States in just four states, Arizona, Colorado, New Mexico, and Utah. In Colorado it has a very limited distribution, only reported as growing in Mesa and Montazuma counties in the west of the state. It is much more widespread in Utah, recorded there in nine counties in the east and south of the state in the Colorado River drainage. It is likewise found in two Arizona counties, Mohave and Coconino, which border the river. It has only been recorded in San Juan County, New Mexico which borders Montezuma County, Colorado.
Fringed bluestar · Hubricht's bluestar · Kearney's bluestar · Blue star · Eastern bluestar · Feltleaf bluestar · Woolly bluestar · Bluestar
Text excerpted from the Wikipedia article Amsonia jonesii by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
