USDA Zone 8B Lawn Care Guide

St. Augustine is the most popular lawn grass in Zone 8b’s humid Southeast, offering excellent shade tolerance and a lush, thick appearance. Bermuda dominates full-sun lawns with superior wear tolerance and drought resistance. In California’s Central Valley, bermuda is the top choice given the dry heat, and some homeowners use hybrid bermuda for a finer texture. Centipede and zoysia fill the middle ground for lower-maintenance lawns.

Lawn care in Zone 8b is nearly year-round, with active management beginning as early as February. Pre-emergent should go down in late January to early February before the first flush of crabgrass. Warm-season grasses may never go fully dormant in mild winters, so you may mow lightly even in December and January. The heaviest care period runs from March through October.

Zone 8b’s long warm season means pests like chinch bugs, sod webworms, mole crickets, and grubs cycle through multiple generations per year. Inspect your lawn weekly for irregular brown patches, chewed blades, or spongy soil that indicates grub activity. Preventive grub treatments with imidacloprid or chlorantraniliprole in May reduce fall damage significantly. Maintain a thick, healthy lawn through proper fertilization and watering, as stressed turf is far more vulnerable to pest damage.