- Lawn care problems are discussed including many topics such as watering Floratam, sprinklers, buying fertilizer, lawn aeration, perennial ryegrass seed, buying sod, brown spots, dog urine in the grass, weeds in bermuda grass, bahia grass establishment, yard maintenance, St. Augustine grass, and getting rid of zosyia grass or zoysia or zoyzia.turfgrass.com/cgi-bin/Ultimate.cgi?action=intro