Krascheninnikovia
lanata ![]() |
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Winterfat is a small cottony-looking shrub that has a wide distribution across western North America. It occurs from 2000 to 8000 foot elevations, and is hardy to -30°F. It will probably not perform well in the hot low deserts. This semi-evergreen, herbaceous shrub grows to 2-3 feet tall and wide. Its leaves are narrow and covered with fine white hairs, giving the shrub a woolly appearance. Male and female flowers are inconspicuous, and are produced on different plants. The female plants produce wonderful fluffy seed heads that look especially stunning when backlit by the sun. These cottony-looking spikes can be dried for use in flower arrangements. Winterfat needs cool nights to thrive, and responds well to a deep soaking every 2 to 3 weeks in the summer. Winterfat is very tolerant of alkaline soils. In the wild, a naturally dense form is maintained by summer livestock grazing. In landscapes, plants should be pruned heavily in the early spring. In addition to making a handsome ornamental plant, Winterfat is useful for erosion control. USDA Zone 4.