Tips on monitoring oxalis in greenhouse containers

Yellow woodsorrel (Oxalis stricta), also known as oxalis, is one of the most common broadleaves weed species in greenhouse container production. It is an annual weed species in cool climates, such as the northern U.S., and a perennial weed in warmer regions. Oxalis is native to North America and is widely distributed throughout the world including the eastern and central U.S., Europe, Africa, Asia, Japan, and New Zealand.