Before a new lawn goes in, grind every stump in the area in one visit, a little deeper than usual, and have the grindings piled away or hauled rather than raked back into the holes. Then rake out root pieces, grade, soil test, add topsoil and seed or sod in the right season for the grass.
Stumps first, then everything else
A new lawn is built in layers, and stumps belong at the very bottom of the list. Grind them before any grading, tilling, topsoil or irrigation, because a grinder working after the soil is finished leaves a mess to redo, and a buried sprinkler line can sit right where a stump needs to go. Walk the whole area and flag every stump, including the small ones hidden in long grass and the old ones you have stopped seeing. A tiller or a box blade that hits a forgotten stump in the middle of the job is how a weekend turns into a week.
Grind deeper and do not rake the chips back
For a lawn, two things change on the day. Depth: the usual finish is four to eight inches under the surrounding soil, and for turf it pays to ask for more, so there is room for soil above the wood. Say so before the quote, because it changes the work. Grindings: instead of raking them back into each hole, have them piled at the edge of the area for beds and paths, or hauled away. Every hollow then gets filled with soil, not chips. On a lot with a dozen stumps, that one choice decides whether the new lawn grows evenly or comes up in pale circles.
Roots near the surface
The grinder removes the stump and the heavy roots close to it. Roots running out under the lawn stay where they are, and over the years they rot and leave small dips. Iowa State Extension notes this can make turf uneven later. When the ground is worked for the new lawn, the tiller or rake will turn up root pieces near the surface. Pull them out and cut any that snag with a pruning saw or loppers rather than leaving them half-buried. Big roots deeper down can stay. They are wood the new lawn will sit above, not wood in its root zone.
Test the soil before you buy anything
Ground that sat under trees for decades has never been limed or fed like a lawn, so nobody knows what it needs. Clemson Extension wants the soil tested two to three months ahead of planting, so the lime and fertilizer it calls for can be mixed through the upper four to six inches. NC State Extension in Henderson County suggests testing every few years in any case. Your county Extension office can tell you how to get a sample tested. Take the sample after the stumps are ground and the chips are cleared, so it reflects the ground the grass will actually grow in.
Topsoil and grade
Fill every stump hollow with soil first, firmed and watered. Then shape the whole area so it drains, sloping away from the house and with no low spots where water will sit. Clemson's establishment guide adds three useful points: clay or eroded ground benefits from as much as three inches of added topsoil, an inch or so of organic matter tilled in helps the soil hold water and drain, and sand should never be tilled into clay. Rake the surface smooth and firm, so a footprint sinks only a little. The difference between shaping and finishing is covered in finish grading vs rough grading.
Work back from the planting date
Stump grinding works in any season, so plan it around the grass. For tall fescue, plan on seeding between August 15 and September 1 in the mountains, or during September in the Piedmont, per NC State Extension. For warm-season grasses grown from seed, Clemson Extension targets the first two weeks of May. So for a fall fescue lawn, get the stumps ground in early to mid summer, which leaves time for soil work and a soil test. For a warm-season lawn, grind in winter or early spring. Sod widens the window, but the order of work stays the same.
Seed or sod across the whole area
On a large area, seed is the usual choice for fescue, and sod for grasses that cannot be seeded or when you need cover fast. Clemson Extension's establishment guidance for seed is light watering two or three times a day for two to three weeks, never letting the surface dry once the seed swells, and about one bale of straw per thousand square feet as a light mulch. For sod, it says to roll right after laying and keep the soil moist four inches down through the first week. For single spots, see patching a stump spot with seed or sod.
Mark the old stump spots
Even with soil in every hollow, each old stump spot still sits over rotting wood. Take a photo or sketch a plan of where they were before the new lawn hides them. Over the first year or two, watch those spots. A circle of paler grass usually means the wood below is borrowing nitrogen, and a light feeding fixes it. A ring that sinks needs a thin topdressing of soil. Knowing where to look turns a puzzling patch into a two-minute job. If the lawn area held many stumps, grinding several stumps at once explains how one visit handles them.
Common Questions
Should stumps be ground before or after grading for a new lawn?
Before. Grind every stump first, clear or haul the grindings, and fill the hollows with soil. Then grade, test the soil, add topsoil and plant. A grinder working after the soil is finished leaves chips and spoil to clean up and can meet irrigation that was put in too early.
How deep should stumps be ground for new sod?
Deeper than the standard four to eight inches below grade, so there is room for soil above the wood under the sod. Ask for the extra depth before the quote, and have the grindings piled or hauled rather than raked back, so each hollow can be filled with topsoil.
Can I put a new lawn in right after the stumps are ground?
As soon as the grindings are cleared, the hollows are filled with soil and firmed, and the season suits your grass. The grinding itself does not need a waiting period. The soil work and the planting window decide the timing.
What to Do Next
Planning a new lawn where trees stood? Count the stumps, note that turf is going on top, and send the photos along. The phone is (828) 574-4474, and the stump grinding page covers the work.