The frost-free season is 90 to 110 days. These are the Bonner , Pend Oreille , Pywell , Rathdrum , Treble , and the competing Odenson soils. Bonner, Pend Oreille, Rathdrum, and Treble soils are well drained. Pywell soils are very poorly drained organic soils. Runoff is very slow.
Permeability is moderate in the solum and moderate or moderately slow in the substratum.
The soils are commonly flooded during the spring months. The soils are used mainly for hay and pasture. Some drained areas are used for small grains. Natural vegetation is grasses, sedges, and forbs with scattered black cottonwood and quaking aspen. The series is moderately extensive.