Arnica mollis is also known as Soft Arnica or Hairy Arnica (Both the name arnica, “arni” Greek for “lamb” and “mollis” which means “soft” is in reference to the hairy nature of this plant). It is native to North America, in particular to Canada and also in the United States Alaska as well as mountains in California and New Mexico. Arnica mollis is a perennial. It belongs to the Asteraceae family of plants. It has a combination of hairy stems and leaves they are glandular and sticky. It has several stems and leaves as it seldom has any branches.
Arnica mollis flower is like daisies, bright yellow, and a yellow center. The leaves are sessile and narrow, lanceolate, and opposite. They were originally collected by Thomas Drummond in Canada in 1820 and later published by William Jackson Hooker (1785-1865), in Flora Boreali Americana in 1834. He was an English botanist and botanical illustrator.
Arnica mollis grows from 6 to 24in or 15cm to 60cm. It flowers from June through September. Plant Arnica mollis in well-drained sandy loamy, slightly alkaline soil in the sun or partial shade. Propagate by seeds which take about a month to germinate keep the soil moist until they germinate, you can also do it by cuttings or divisions in spring. Once established they need low maintenance, but ensure they are kept moist as they are not drought tolerant, but not too wet. Deadhead Arnica mollis flowers to prolong the flowering season.