Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.
Buttercup flower facts manual#
Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Often riparian or semi-riparian in the drier parts of its range. Don't miss this easy to grow and quite appealing native. Use in porridge or grind and add to baked goods. Buttercups are not only worthy cut flowers but also a good source of nutrition. Buttercups usually bloom from April to May. Buttercups have lustrous flowers thanks to special layer of reflective cells that are located beneath the superficial cells of the petals. Several species of buttercups have orange, red or white flowers. Flowers are usually bright yellow colored. Nursery plants may occasionally be available.įor the garden, plant this buttercup in front of the border and in meadows with native annuals and bulbs, blue-eyed grass, shooting stars, woolly blue-curls, and other natives that require little, if any, supplemental summer irrigation. Buttercups have cup-shaped flowers composed of 5 petals. Propagate easily by seed from seed companies and local exchanges. New seedlings readily volunteer in late winter to spring. By mid-summer the flowers have shed seed, and the plant is dormant. Var cuneatus is found primarily on the north-central coast and blooms from short stems, giving this variety the look of a low ground cover. There are two recognized Varieties: Var californicus is widespread and the flowers rise above the basal leaves on 1 ft to 2ft branching stems. Their native habitat extends into Baja California, Oregon, and some Pacific coast islands. The California buttercup ( Ranunculus californicus), a perennial herb of the Ranunculaceae family, brightens much of California (except the deserts) with 3/4 inch, remarkably glossy, deep yellow flowers, each with 9 to 17 petals.
About California Buttercup (Ranunculus californicus) 26 Nurseries Carry This Plant
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