Grinding leaves mulch, a settling hole and sometimes suckers behind. Here's what to expect and how soon you can plant, turf or pave over it.
Stump grinding takes the visible stump down below soil level, usually 15 to 30cm deep, but it doesn't remove every trace of the tree in one visit. What's left behind, and how soon you can use the space again, depends on the species, the size of the root system, and whether you want to plant something back in the same spot.
Grinding produces a pile of wood chip and soil mixed together roughly where the stump was, which most surgeons will either mound back into the hole or remove entirely depending on what you've agreed. Underneath, there's usually a shallow depression as the ground settles over the following weeks, since the grinding disturbs and compacts the soil around the old root mass rather than leaving it perfectly level. Larger root systems, oaks and mature sycamores especially, sometimes leave larger structural roots below the ground that grinding doesn't reach, which can affect what you plant directly on top later.
If you want to turf or plant soon after, backfilling the hole with topsoil and firming it down helps, but expect some further settling over the following months as the wood chip underneath breaks down and the ground compacts further. Laying turf or planting immediately over freshly ground wood chip without adding proper topsoil on top tends to leave a soft, uneven patch that needs redoing within a season.
Some species, particularly willow, poplar, cherry and some varieties of ash, throw up suckers from surviving root fragments for a year or more after grinding, even once the visible stump is gone. This isn't a sign the grinding was done badly, it's a property of the species' root system. Suckers can be cut back as they appear, and they usually stop once the root system finally exhausts itself, though a persistent case sometimes needs a follow-up treatment to fully stop.
Turf and shallow bedding plants can often go down within a few weeks once the ground has been backfilled and firmed, since they don't need much depth. A new tree or anything with a substantial root ball is better left several months, partly for the ground to settle and partly because decomposing wood chip and root matter below the surface can affect a young tree's roots if it's planted too soon into the same spot. Paving needs the most patience of the three, since ongoing settlement under a hard surface shows up as cracking or sinking later, so a proper sub-base laid over fully settled, compacted ground avoids redoing the job in a year or two.
Stumps left in the ground long-term are a known route for honey fungus to establish and then spread to nearby healthy trees and shrubs through root contact, which is one of the main reasons grinding an old stump is worth doing even years after the tree came down, not just for the look of the garden. If a stump has clearly been decaying for a long time before grinding, keep an eye on nearby trees and shrubs for the following season or two, since honey fungus can already be present in the root system by the time the stump itself is dealt with.
Last reviewed 2026-07-21.
Typically 15 to 30cm below soil level, deep enough to plant, turf or lay a path straight over the top without hitting solid wood.
Several months is the safer guide, rather than weeks, particularly for anything with a substantial root ball. The ground needs time to settle and the old wood chip and root matter time to break down, both of which can affect a young tree planted too soon.
Certain species, willow, poplar, cherry and some ash among them, keep sending up suckers from surviving root fragments even after the visible stump is ground away. It's normal for those species rather than a sign the job was done poorly, and it usually tails off within a year or two.
Yes, this comes up more often than you'd think. A partially removed or oddly cut stump just needs more time on site, not different equipment, so it's not a reason to avoid getting it finished properly.
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