Editor’s note: Throughout the growing season, Mike Hogan, OSU Extension educator for Agriculture and Natural Resources in Franklin County, will answer gardening and home landscape questions submitted ...

There’s some interesting activity afoot in the cropfields and pastures of Colorado, Utah and Montana, as researchers explore a new biocontrol method for Canada thistle, by delicately sprinkling, ...

Canada thistle (Cirsium arvense) is a creeping perennial broadleaf that is native to the Mediterranean area. It spreads rapidly through underground stems called rhizomes and by producing seeds. It ...

Teliospores of the Puccinia punctiformis fungus are on Canada thistle plants in the late summer and fall. Teliospores of the Puccinia punctiformis fungus are on Canada thistle plants in the late ...