Litter training a hedgehog is really litter encouraging. You cannot teach the habit the way you might teach a puppy to ask at a door, because a hedgehog toilets where its body decides, often while running. What you can do is study where your hedgehog already goes, put the right tray in exactly that place, and make every other corner less inviting. Done patiently, that gives many owners a mostly clean enclosure with one corner doing most of the work.
Put the Tray Where the Habit Already Lives
Watch for two or three nights before you place anything. Most hedgehogs pick a corner away from the sleeping hide, and many also toilet on the wheel itself, since running loosens everything. A shallow tray under or beside the wheel catches that pattern at its source, and a second small tray in the chosen corner covers the rest. Choose a tray with a low entry side so a short-legged hedgehog can step in without climbing, and keep it small enough that it does not eat the floor space the hedgehog needs for turning and exploring.
Line the tray with paper-based litter or a plain paper liner, and avoid dusty or strongly scented fillers that can irritate a small animal breathing close to the ground. Move a small amount of soiled bedding into the fresh tray on the first days so the smell points to the right place. Keep the sleeping hide clean and dry, because a hedgehog who smells waste in the nest area may shift toileting into the hide instead, which undoes the pattern you are building.
Patience Pays and Punishment Never Does
Reward the habit indirectly: keep the rest of the enclosure clean, refresh the tray daily, and leave a faint trace of the tray's own used liner at each change so the location still smells correct to the hedgehog. Never punish misses. A hedgehog does not connect a scolding with a dropping left an hour earlier, and handling that turns tense after accidents only makes the animal warier of you. If droppings appear everywhere for the first week, narrow the enclosure's open area slightly or add the second tray rather than moving the first one daily, because a tray that keeps changing places teaches nothing.
Young hedgehogs are messier than adults, and a new arrival in a new home often scatters droppings while exploring and scent-marking the space. Judge progress at three weeks, not at three days. A realistic good result is a tray and wheel area holding most of the waste, a clean hide, and a few stray droppings elsewhere that take seconds to pick up during spot-cleaning. Full rabbit-level reliability, with every dropping in one box, happens for a minority of hedgehogs, and chasing it by restricting space or removing the wheel trades real welfare for tidiness.
When the Pattern Changes Suddenly
Once a routine is established, a sudden change is information. A hedgehog who stops using the tray, produces loose droppings, or toilets in the hide after weeks of clean habits may be unwell, stressed by a moved enclosure, or reacting to a new bedding or food. Return to plain food and bedding, check room warmth, and note what else changed. If loose droppings or appetite loss continue, see a veterinarian who treats exotic animals rather than retraining harder, because the tray was never the problem. Keep notes on the pattern as it settles so anyone helping with care cleans the same corner the same way. With KinsLe, Family Sharing lets an owner share the hedgehog's profile with chosen relatives, so the hedgehog behind that tray is a familiar animal to family before spot-cleaning night arrives.