Alluring, like sirens, some vicious weeds produce beautiful flowers in calming purple hues. Here are the problematic blossoms ...

asks Birds & Blooms reader Fran Armstrong of Spring Grove, Pennsylvania. Melinda says, “Canada thistle (Cirsium arvense), ...

A perennial, Canada thistle (Cirsium arvense) grows on sunny lawns and landscapes. Plants can reach 5 feet tall and spread through seeds and a horizontal root system, producing patches of plants with ...

Canada thistle, or Cirsium arvense, is one of the most visually striking lawn weeds: It grows sharp barbs and distinctive purple flowers that resemble large rosettes. These plants are especially ...

With any forage crop, the risks associated with utilizing them as supplemental forage, especially as our environmental ...

ARPA-H funding will enable Cirsium Biosciences to utilize plant-based manufacturing-both upstream and downstream-to significantly reduce production costs and time. Cirsium aims to establish and ...

I am continually seeking students who will contribute as part of a research team that seeks to clarify mental models of how to manage invasive weeds in rangeland systems. Ideal team members will be ...