In 1959 it was collected for the first time in Hawaii. Today the USDA Plants Database lists Russian thistle growing in every state except Florida and Alaska. The weed has also continued to thrive ...

Plus, it's prickly to the touch, so it's an invasive weed you'll want to get rid of especially if you have children and pets. Thankfully, you can eradicate thistle weeds with a simple but ...

Notable for its pink-and-purple flowers and tall hairy stems, cane tibouchina is an invasive weed found throughout Hawaii’s pastures and forests. FOREST and KIM STARR photo In Hawaii ...