Willow Leaf Groundsel. Senecio salignus, Aster or Sunflower Family also known as the Composite Family: ( Compositae ), Also known as: Willow Ragwort, Barkley's Ragwort, ruina, jarilla, jara brava, jara, Barkleyanthus salicifolius, Cineraria salicifolia. We wish to thank Wikipedia, the free encyclopedia for some of the information on this page. We share images and information with Wikipedia. Senecio salignus is a member of the Aster Family, the uniqueness of the Aster or Sunflower family is that what first seems to be a single large flower is actually a composite of many smaller flowers. Quick Notes: Height: Up to about 12 to 48 inches. Spreading out to about 38 inches wide. Flowers: Yellow rays, yellow - orange disks, up to 1 1/4 inch wide. Flowering Time: March - May. Leaves: Leaves pinnately, lobed, toothed, dark green, to 3" long. Side lobes are shorter, with the leaf up to 8 inches long. upper leaves smaller and clasping them. Found: Native of the southwestern Great Plains of North America. the southwest, and northern Mexico. Hardiness: USDA Zone 5b: to -26.1 �C (-15 �F) USDA Zone 6a: to -23.3 �C (-10 �F) USDA Zone 6b: to -20.5 �C (-5 �F) USDA Zone 7a: to -17.7 �C (0 �F) USDA Zone 7b: to -14.9 �C (5 �F) USDA Zone 8a: to -12.2 �C (10 �F) USDA Zone 8b: to -9.4 �C (15 �F) USDA Zone 9a: to -6.6 �C (20 �F) USDA Zone 9b: to -3.8 �C (25 �F) Soil pH requirements: 6.1 to 6.5 (mildly acidic) 6.6 to 7.5 (neutral) 7.6 to 7.8 (mildly alkaline) 7.9 to 8.5 (alkaline) 8.6 to 9.0 (strongly alkaline) Sun Exposure: Full Sun Elevation: 1,800 - 6,500 Feet. Habitat: Alkaline, well-drained/light soils. Dry slopes and washes in the desert environs, where it occupies open, sandy washes bajadas, and roadsides. Up to and including oak woodland areas. Miscellaneous: Flowering Photos Taken April 27, 2003. Near Lake Pleasant, Arizona. We have seen this plant on the San Francisco Peaks, near Flagstaff, Arizona.

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