WebCirsium occidentale is a perennial herb that is native to California, and endemic (limited) to California. This plant is available commercially. Jepson eFlora. Calflora: Information on … WebFloral herbivory on cobweb thistle in coastal dunes substantially reduced key components of plant fitness. Reduction of insect feeding within flower heads with insecticide increased mean per capita seed production by 144–316% and led to a 130–196% increase in cumulative seedling recruitment in the next generation, depending on dune habitat.
Cirsium occidentale - Western thistle - Klamath Siskiyou …
WebJun 2, 2014 · cobweb thistle: Family: asteraceae: Life cycle: biennial or perennial (Z7-10) Flowers: red: Size: 36" Light: sun: Cultural notes: prefers poor soil: From seed : germinate at room temperature detailed seed-starting info below WebDec 28, 2024 · Cobweb Thistle is a stunning plant with almost white leaves and gorgeous deep pink flowers barely emerging from an involucre that displays a webby wooliness on … garis weber wallace
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WebFeb 28, 2015 · Description: This native perennial species has solitary, pink-to-rose flowers on stout, leafy stems up to 2 feet in height with narrow, alternating, spiny leaves up to 12 inches long. A webbing of filmy, white threads winds below the flower heads and the underside of the leaves. Blooms March to May. WebMar 2, 2024 · A beautiful NATIVE and NON-WEEDY thistle. Forms a rosette of gray woolly and spiny leaves the first year. A BIENNIAL, flowering occurs the second year with tall spikes of showy maroon-red flowers with cobweb hairs on the bracts. A striking plant for sunny areas with good drainage and low to no irrigation. An excellent addition to the … WebSep 26, 2012 · Non-native, invasive thistles are often promoted as butterfly plants, but you can avoid the proliferation of weeds by planting well-behaved native thistles. The cobweb thistle, Cirsium occidentale is elegant and showy, and one of its several varieties may be native in your region. Erigeron glaucus – Seaside Daisy and Skipper Butterfly. blackpink concert manila seat plan