This has been a phenomenal year for germination of noxious weeds. Scotch thistle, for instance. Scotch thistle grows up to 13 feet tall. Cutting the root 2 inches below ground will kill that root and ...

Among garden weeds, the Canada Thistle (cirsium arvense) is a common perennial weed and what I call a “super weed.” It has a dual system of reproduction, by roots and flowers that produce seeds. Thus, ...

This is a preview. Log in through your library . Abstract Canada thistle is one of the most troublesome and difficult weed species to control in established alfalfa grown for seed production. Current ...

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 ...

Fall Weed Control: Musk thistle: It’s not too late to do something. The issue: Musk or nodding thistle is a non-native biennial thistle that is continuing to spread like wildfire throughout Idaho.

DEAR GARDEN COACH: Oxalis and thistles have taken over my yard. Please tell me how to eradicate them for good. The overabundance of them is overwhelming me. Tina Morrill, San Jose DEAR TINA: Oxalis is ...

While removing vegetables from my garden, I found annual sow thistle, dandelion, mustard and other weeds camping in my yard. Normally my wife, Barbara, takes care of weeds, but she's under the weather ...

BOZEMAN – This article highlights the evolution of glyphosate (Roundup, RT3, and other generics)-resistant Russian thistle in Montana. Russian thistle ( Salsola tragus L.), a native of southeastern ...