The average frost free season is 90 to 120 days. These are the Bridgeson , Colville , Hardesty , Konner and Narcisse soils. Bridgeson and Colville soils have a fine, silty control section. Hardesty soils have less than 50 percent base saturation. Konner soils have a fine, loamy control section.
Narcisse soils have a mollic epipedon and a coarse, loamy control section.
Small grains, grass, hay and pasture. Native vegetation is water tolerant grasses, willows, sedge, redtop, Reeds canary grass, wild rose and snowberry. Series is of small extent. Spokane County, Washington, 1917.