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Hymenoxys grandiflora
Also called Alpine Sunflower, Graylocks Four Nerved Daisy, Old Man Of The Mountain, Graylocks Hymenoxys
A perennial alpine daisy from the Rocky Mountains, growing up to 30 cm tall with large yellow flower heads. It thrives in cold, open, rocky high-elevation conditions and needs sun, good drainage and cool temperatures.
Hymenoxys grandiflora is a North American species of flowering plant in the daisy family known by the common names graylocks four-nerve daisy, graylocks rubberweed, or old man of the mountain. It is native to high elevations in the Rocky Mountains of the western United States.
The plant is native to high elevations in the Rocky Mountains of the western United States, in the states of Montana, Idaho, Wyoming, Utah, Colorado, and New Mexico. It can be found on rocky slopes, meadows, and tundra environments.
Pinaleno Mountain rubberweed · South American rubberweed · Colorado Rubberweed · Bigelow's rubberweed · East View rubberweed · Brandegee's four-nerve-daisy · Hymenoxys cabrerae · Cooper's rubberweed · Intermountain rubberweed · Owl's-claws · Hymenoxys insignis · Jame's rubberweed
Text excerpted from the Wikipedia article Hymenoxys grandiflora by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
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.
