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Heterotheca sessiliflora ssp. bolanderi 'San Bruno Mountain' (Hairy False Goldenaster) - An evergreen perennial that forms a low mat to 8 to 12 inches tall by up to 18 inches wide with small, rounded olive green slightly hair leaves and bright 1 inch wide yellow daisies that sit on top of the foliage from late spring to fall
Plant in full coastal sun to part sun inland in well-draining soil and irrigate only occasionally to very little - a drought tolerant plant along the coast and cold hardy to 10° F or possibly slightly less. Shear lightly after flowering to encourage rebloom. This is a tough native perennial that is great along the border of the dry garden or as a component in a rock garden front or planted in a decorative container. Its lowers are attractive to bees and butterflies.
Heterotheca sessiliflora comes form coastal mountains from Mendocino County south into San Diego County with this subspecies found around the San Francisco Bay Area. This 'San Bruno Mountain' selection was made from the Mount San Bruno Mountain area in the Santa Cruz Mountains in San Mateo County. This plant was previously known as Chrysopsis villosa var. bolanderi and Heterotheca echioides var. sessiliflora ssp. bolanderi. The name of the genus comes from the Greek words 'héteros' meaning "other" or "different" and 'th?ke' meaning a "case' or "chest" in reference to some species in the genus having the of the disk and ray florets haing different shapes and the specific epithet is the combination of the Latin words 'sessilis' meaning "sessile", "low" or "fixed" and 'florus' meaning flower, in referrence to flowers borne on very short stalks. The subspecific epithet honors Henry Nicholas Bolander (1831-1897) California State Botanist and later the California Superintendent of Schools.
Our propagation stock of this plant came from Suncrest Nursery.
This information about Heterotheca sessiliflora 'San Bruno Mountain' displayed is based on research conducted in our horticultural library and from reliable online resources. We also will relate observations made about it as it grows in our nursery gardens and other gardens we have visited, as well how the crops have performed in containers in our nursery field. We will also incorporate comments that we receive from others and we welcome hearing from anyone with additional information, particularly if they can share any cultural information that would aid others in growing it.
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