Photo of the week: zoysia seedheads on green collar

Zoysia seedhead production is unsightly on low cut turf. This is also a subject that needs a lot more study, because there are a combination of genetic (which variety), management (nutrient supply, mowing height, irrigation), and environmental (latitude, day length, temperature) factors that can result in the presence or absence of seedheads.

This photo is all zoysia. The putting surface is about 25 years old, and the variety is himei korai (the narrow-leaf type) from the Tottori region of Japan.…