Propagation: Easy by seed if a cold stratification treatment is given. Additional comments: Brittle bush works well in the landscape as an Seasonal color: Spectacular, consistent display of yellow flowers in late winter and early spring usually peaking in early March. Additional comments: Brittle bush works well in the landscape as an Flowers & fruits: Yellow ray flowers to about 1 inch across in cymes, involucres (whorl of bracts around or beneath inflorescence), Soil: Well drained Propagation: Easy by seed if a cold stratification treatment is given. Seasonal color: Spectacular, consistent display of yellow flowers in late winter and early spring usually peaking in early March. Flower stamens exude a fragrant resin that was used by Spanish padres as an incense, leaves and stems used by native Americans as a tea for arthritis. Brittlebush germinated in mass in late October 2018 in reposnse to the record setting rainfall that occurred in Arizona earlier that month. accent companion plant to red-bird of paradise, Baja ruellia, or autumn The genus Encelia is comprised of some 15 species from southwestern North America and western South America. Additional comments: Brittle bush works well in the landscape as an Encelia californica [shown here growing along the Pacific coast highway (PCH) near the Topanga Canyon turnoff] is a comparable green-leaved species found along the coastal areas of southern and central California. accent companion plant to red-bird of paradise, Baja ruellia, or autumn Disease and pests: Root rot if poorly drained soil. It was used as chewing gum, a glue, and to waterproof containers. Landscape Use: Flowering accent, foundation, native plantings, desert restoration projects, desert flower gardens. Flower stamens exude a fragrant resin that was used by Spanish padres as an incense, leaves and stems used by native Americans as a tea for arthritis. Young seedlings and rooted cuttings require a well-drained soil (or rooting substrate if in containers) to avoid damping off. Griffith proposed that a brittle material contains a large number of fine cracks. Encelia californica [shown here growing along the Pacific coast highway (PCH) near the Topanga Canyon turnoff] is a comparable green-leaved species found along the coastal areas of southern and central California. Brittle bush is so brittle that one can leave the pruning equipment in the garage and just 'hand prune'. Encelia californica [shown here growing along the Pacific coast highway (PCH) near the Topanga Canyon turnoff] is a comparable green-leaved species found along the coastal areas of southern and central California. Disease and pests: Root rot if poorly drained soil. The classical theory of brittle fracture in elastic solids, that a crack propagates if the energy release rate reaches a critical value, was first proposed by Griffith and Irwin . Soil: Well drained Propagation: Easy by seed if a cold stratification treatment is given. Brittle bush can be difficult to propagate by softwood vegetative cutting, use perlite (but why would you because seed propagation is so easy). Disease and pests: Root rot if poorly drained soil. Temperature: Tolerant accent companion plant to red-bird of paradise, Baja ruellia, or autumn accent companion plant to red-bird of paradise, Baja ruellia, or autumn Encelia farinosa or brittle bush is a shrub found in western North America from Mexico to California, Arizona, Utah, and Nevada. Foliage/texture: Tomentose, gray green or silvery to nearly white, ovate to deltoid shaped leaves to 2 1/2 inches long, leaf surface trichome frequency higher in summer and lower in winter; ergo, The genus Encelia is comprised of some 15 species from southwestern North America and western South America. A note of warning however is that brittle bush will quickly naturalize in Phoenix landscapes that are dominated with decomposing granite and open space. Additional comments: Brittle bush works well in the landscape as an Young seedlings and rooted cuttings require a well-drained soil (or rooting substrate if in containers) to avoid damping off. A note of warning however is that brittle bush will quickly naturalize in Phoenix landscapes that are dominated with decomposing granite and open space. Young seedlings and rooted cuttings require a well-drained soil (or rooting substrate if in containers) to avoid damping off. In nature, the seed germinate abundantly in mid-winter or in mid-summer during years of plentiful winter or monsoon rains. In nature, the seed germinate abundantly in mid-winter or in mid-summer during years of plentiful winter or monsoon rains. Brittle bush is so brittle that one can leave the pruning equipment in the garage and just 'hand prune'. A note of warning however is that brittle bush will quickly naturalize in Phoenix landscapes that are dominated with decomposing granite and open space. Pruning: So as to avoid a shaggy mess, severely prune brittle bush to near ground level in later May. Brittle bush can be difficult to propagate by softwood vegetative cutting, use perlite (but why would you because seed propagation is so easy). Brittle bush is so brittle that one can leave the pruning equipment in the garage and just 'hand prune'. It can be found in a variety of desert habitats from dry gravelly slopes to open sandy washes up to 1000 meters. Disease and pests: Root rot if poorly drained soil. Creosote Bush, Ocotillo, Jojoba, Blue Paloverde, White Bursage, Chuparosa, Barrel Cactus, May be deadheaded to increase flowering, or may be pruned as desired in Summer or Fall, 8*, 9*, 10*, 11*, 12*, 13*, 14*, 15, 16, 18, 19*, 20*, 21*, 22*, 23*, 24*, Native to the Colorado and Mojave Deserts, it is found in very arid slopes, canyons, washes and alluvial fans in fast draining sandy, gravelly soil, often among boulders but also in pure sand, Annual Precipitation: 2.2" - 30.0", Summer Precipitation: 0.18" - 2.85", Coldest Month: 36.3" - 64.2", Hottest Month: 62.9" - 90.7", Humidity: 1.25" - 48.98", Elevation: -224" - 6450", Creative Commons Attribution-ShareAlike License, PRISM Climate Group, Oregon State University. leaf appearance ranges from larger and greener in winter to smaller and whiter in summer; medium texture. Propagation: Easy by seed if a cold stratification treatment is given. sage. 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