Large crabgrass can grow up to 3 feet tall with leaves that are 1-6 inches long. Crabgrass has a hairy ligule (the collar ...

Mid-summer is always a good time to watch out for crop pests. Take a quick pass around the farm to look for one of the most obnoxious weeds around, leafy spurge. My co-worker, Graig Reicks (SDSU ...