Its roots have been found six feet deep in the soil. Cooler fall temperatures will discolor bermuda, causing it to turn brown during the winter. Since its root system is so complex, herbicide applications are the only means of management. Reseeding or sodding treated areas with proper fall and winter fertilization will promote desirable cool season grasses. Nimblewill This is another warm season perennial grassy weed reproducing by stolons or by seed.
Patches appear whitish brown during the winter in cool season lawns.
It has a coarser texture than bluegrass and is distinguished by a bluish-green color during the summer. Proper fall and winter fertilization of cool season grasses may help to manage this weed. However, in extreme cases complete renovation is necessary. Dallisgrass Dallisgrass is a coarse textured warm season perennial bunchgrass. It is grown as a forage grass in the southern U.S. but it is an objectionable grassy weed in the Mid- Atlantic region.