Grassy Weeds - Bermuda Lawn - Sandbur
BES-TEX Weed ID Guide · Grassy Weeds
Sandbur
Also called Grassbur · Cenchrus longispinus
Summer annual Grassy
Common Name
Sandbur, Grassbur
Latin Name
Cenchrus longispinus
Family
Poaceae
Life Cycle / Type
Summer annual · Grassy weed
What Is It?
Sandbur is a summer annual grassy weed that produces sharp, spiny seed burs that stick to shoes, pets, and tires. It has a coarse texture and spreads aggressively in sandy soils, compacted areas, and thin turf, especially along driveways and high-traffic zones.
Soil Temperature & Germination
Sandbur germinates as soils warm in late spring.
55°F
75°F
Above 55°F
Germination begins
Above 75°F
Peak emergence and rapid spread
Decision Question
Is the sandbur visible above the soil right now?
Why This Weed Comes Back
Missed spring or late-spring pre-emergent timing
Sandy or compacted soil
Thin or stressed turf
Learn the Basics
A healthy, thick lawn is the best defense against weeds.
