Plants

  • Sisyrinchium douglasii (Olsynium douglasii) – Grass widow

    Description: deciduous species with magenta flowers (very early spring) and grass-like foliage (6-10″). It prefers spring moisture followed by a…

  • Sisyrinchium californicum – Yellow-Eyed Grass

    Description: this species has yellow flowers (late spring, summer) and fleshier leaves (10-12″). Re-seeds. Yellow-eyed grass generally grows in wetter…

  • Sisyrinchium bellum – Blue-Eyed Grass

    Description: a dainty beauty (8-12″) with a profusion of small, dark purple flowers (late spring, summer). Blue-eyed grass does well…

  • Sidalcea sp. – Checkermallow

    Description: a showy perennial with brilliant pink flowers (late spring, early summer) clustered at the top of stems (8-60″). Checkermallow…

  • Sedum stenopetalum – Worm-Leaved Stonecrop

    Description: a pale green, narrow-leafed species (2-4″) from east of the Cascades. As summer progresses the foliage tends to die…

  • Sedum spathulifolium – Broad-leaved stonecrop

    Description: a beautiful species with plump, silvery leaves and bright yellow flowers that stand 4 to 6″ above the foliage…

  • Sedum oreganum – Oregon Stonecrop

    Description: creeping perennial (to 6″) with succulent, green leaves with hints of red. It has bright, yellow flowers (summer) on…

  • Scuttellaria angustifolia – Skullcap

    Description: a prostrate perennial (4-12″) with opposite leaves and blue-purple flowers in pairs along the stem. Flowers appear from mid-spring…

  • Saxifraga oreganum – Oregon Saxifrage

    Description: a common species of high elevation wet meadows. It has somewhat large, pale green leaf blades (2-4″) and a…

  • Sagittaria latifolia – Wapato

    Description: aquatic plant with tuberous rhizomes buried in mud and arrow-shaped leaves that reach 12 to 18″ above the water.…