This weed emerges later in the summer, usually after onions have established (Photo 1). The seeds of this weed are contained in spiky burs (Photo 2). What is this weed? And what can be done to control it?
Onion Weed Quiz: February 2026
This weed emerges later in the summer, usually after onions have established (Photo 1). The seeds of this weed are contained in spiky burs (Photo 2). What is this weed? And what can be done to control it?