When it comes to common weeds, few are as problematic as Canada thistle. This plant has a tenacious and fast-growing root system. A single seed is all it takes for an entire patch to spring up and ...

By Krishona Martinson, University of Minnesota Extension There are 11 primary noxious weeds in Minnesota, and they must be controlled on all private and public land. They’re on the noxious ...

One of the weeds nearly everyone recognizes is the thistle. There are numerous thistles but the ones that make the Prohibited Weed List in Minnesota are the Canada thistle and the plumeless ...

As with many members of the Asteraceae family, it starts life as a rosette, and then bolts to form an upright flower stem. Sow thistle is an annual weed that can establish at any time of the year. It ...

Weeds that emerge before the crop are generally larger and better established than those that emerge after the crop. This gives them greater access to soil and spatial resources, and thus they do more ...

Scotch thistle is the most common thistle species in New Zealand with spines on both the leaf surface and margins. Scotch thistle is a biennial weed, so it depends quite heavily on the establishment ...

Use precise geolocation data. Actively scan device characteristics for identification. Store and/or access information on a ...

This is especially effective on weeds with short dormancy periods, such as kochia, goat’s beard, hare’s ear mustard, Indian mustard, Russian thistle, cow cockle, green foxtail, downy brome, wild ...

Koochiching County officials added noxious weeds to the annual Minnesota Agricultural Department commissioner’s order. County officials also added the following noxious weeds, which are a control ...

Yes you can begin weeding as early as January. The perennial weeds such as dandelion and thistle are easy to see and easier to pull from the wet winter ground. Vicky McMillan The third week of ...