Sandbur can be a very troublesome weed in warm-season turf species. It is easily identified by the seedhead, which is a spike of tiny burs that can hurt when touched. This weed thrives in sandy soils, but can be controlled with certain herbicides when in the seedling stage.
Sandbur can be a very troublesome weed in warm-season turf species. It is easily identified by the seedhead, which is a spike of tiny burs. This weed thrives in sandy soils. Maintaining a dense, vigorous turf is the first step in effective weed control. Cultural and management practices that enhance turfgrass growth generally reduce weed competition and encroachment. First, select adapted turfgrass cultivars for your area and then properly fertilize, mow, and water to encourage dense growth.
spike; burs that occur all along a spike-like seedhead
leaves folded in the bud
fringe of hairs 0.04 inches (1 mm) long, with 0.08 inch (2 mm) long hairs on each side
Growth Season/Life Cycle
summer annual or perennial weed
Leaf blade tip shape
sharp-pointed; thin, flat, usually not hairy
Leaf blade width
0.08 - 0.24 inches (2 - 6 mm) wide
none, but stems decumbent
present; very short
divided by midrib, distinct
flattened; sheath is usually not hairy