- On the Highlands, to prevent the TifGrand Bermudgrass collars from encroaching in the TifEagle greens and vice versa, they are edged. This keeps the greens and collars the size they were intended to be from the renovation. Also, edging the greens helps the operator see exactly were the edge of the green is when they are mowing their clean-up passes. Edging greens occurs roughly once every three weeks, but really just depends on how vigirously the turfgrass is growing.
