How Often Should a Lawn Be Fertilized in Rockwall?
The honest answer: it depends on your grass. Bermuda wants more than zoysia. St. Augustine wants a different ratio entirely. But a good working answer for a typical Rockwall lawn is 4 to 6 fertilization windows per year, distributed from spring green-up through fall.
The baseline: 4 applications minimum.
For most warm-season lawns in Rockwall, a four-application year covers the essentials: spring green-up (mid-to-late April), early summer (June), mid-summer (July/early August), and fall (mid-September). Each one should be timed to the lawn’s phase of growth, not to a fixed calendar.
The better answer: 6 applications.
A six-application year adds a late-summer pass (late August, to push growth through heat recovery) and a late-fall pass (late October, a potassium-heavy formula to harden off for winter). The difference shows up in spring green-up the following year, a better-fed lawn going into winter comes out earlier and denser.
The rate matters as much as the schedule.
Total annual nitrogen for bermuda in North Texas is typically 4 to 5 pounds of actual N per 1,000 sq ft. For zoysia, 2.5 to 3.5 pounds. For St. Augustine, 3 to 4 pounds. Splitting the total across 4–6 applications keeps each single application at a safe, slow-feeding rate instead of a dump that burns the lawn.
“A generic four-step program applies the same amount of nitrogen to a small bermuda lawn and a big St. Augustine yard. The bermuda is underfed. The St. Augustine is overfed. Both lawns suffer.”
— Chris Rather, CGCS
See Rather Green’s fertilization program →
Or call Chris directly at 972-649-9912 for a free lawn evaluation.
