We often think of the sandbur species as being a warm-season annual plant. However, many of these are classified as perennials, which can survive from one year to the next.

While undesirable for purity and "invasiveness," even if unpalatable, many of the common and troublesome weeds that detract from quality can provide more than 6% crude protein and more than 50% TDN toward an animal’s daily intake needs.