Kochia is a non-native, annual plant. It is commonly referred to as tumbleweed. …

Kochia is a non-native, annual plant. It is commonly referred to as tumbleweed. This plant was introduced as an ornamental. It has also been used as a feed for livestock when the plant is young. Kochia can accumulate high levels of nitrates under certain growing conditions making it toxic to livestock. For more information on this plant and others, go to www.weldweeds.org.