Russian thistle Russian thistle R ussian thistle is similar to kochia, except that it has very narrow, needlelike leaves. Young seedlings emerge in the spring and resemble a miniature pine tree. Mature Russian thistle branches and produces a globular plant like kochia. Leaves get a sharp, spiny tip.
Russian thistles break off at ground level in the fall and become tumbleweeds.
Management - Several herbicides provide good control of Russian thistle. Need more information on control refer to KSU Chemical Weed Control Guide .