Cats rarely reject climbing itself, since vertical movement sits deep in feline instinct. When a großer kratzbaum stands untouched, the cause is one of four specific faults, and each carries its own direct fix.
1. Wrong room position
Wrong position is the leading reason because cats climb to observe, and a tree with nothing to observe offers height without purpose. A tall structure pushed into a spare room or dark corner gives elevation over emptiness, which no cat values. Cats want vantage over household activity, entry doors and, best of all, windows. Moving an ignored tree two meters toward the glass has revived interest in countless homes, adding birds and street movement to the reward for climbing. Distance from the family matters as much. Social breeds climb to supervise their people, so the tree belongs in the room where evenings happen, not in a corridor where nothing does. Testing this cause takes three weeks. Live with the tree in three positions for a week each, and behaviour usually shifts by the third move, proving geography was the entire problem. No build quality compensates for a top perch with nothing worth watching.
2. Remembered early wobble
Remembered wobbles cause rejection because cats never forget surfaces that moved beneath them. One unstable landing in the first week teaches caution that outlasts every later repair, and heavy breeds feel sway soonest since greater mass produces greater movement. Rebuilding trust follows a strict order. Tighten every joint, anchor the top to a wall, then bait only the lowest platform with treats. Confidence returns level by level, and rushing the cat upward before the base feels solid resets the process to zero. Some cats need two or three weeks per level, and patience at this stage decides whether the tree becomes territory or stays furniture.
3. Foreign factory scent
Factory scent causes rejection in cats that sniff the new tree once and walk away. Fresh sisal and plush carry manufacturing smells, and no trace of the cat’s own signature, so the structure reads as foreign territory rather than property. Transfer fixes this fast. Rub a soft cloth on the cat’s cheeks and wipe it across every platform, or drape a worn blanket from a favourite sleeping spot over one perch. Scent from the animal itself works more reliably than any spray, though catnip helps some cats begin exploring. Repeat the transfer daily for a week, since one application fades before the cat accepts the surface as marked.
4. Perches facing walls
Wall-facing perches cause abandonment after a single climb because the cat looks around and finds nothing. A top perch aimed at a blank wall delivers elevation and nothing else, while the identical perch turned toward glass provides hours of tracking pigeons, pedestrians and weather. Indoor cats treat windows as their only broadcast of the outside world. Where a window position is impossible, rotating the tree so that perches overlook the main living area gives the next best payoff, letting the cat monitor people and other pets from above. Perch height relative to the window line matters as well, since a cat looking over the frame sees only sky while one at glass level sees the street.
Each reason is a placement or presentation fault, never a verdict on the tree. Put it where life happens, make it solid, mark it with a familiar scent and aim the perches at something worth watching. Instinct handles the rest within days.

