I have a monstera deliciosa that had been hanging quite sadly out of it's pot for a while since it had gotten so big it had a hard time supporting itself. I decided to but a moss pole for it and tied the stem of it's long end to it with some sisal string. The thing is that it's aerial roots have grown so big without support it's not easy to tie them to the pole and even though I've been keeping the pole moist it seems the plant just isn't attaching to it at all. I'm wondering if I should cut the roots short so the ends are closer to the pole and it might try to attach itself to it but I have no clue if this is a good idea or if it's damaging/bad for the plant, and if it's possible if there are specific places you should cut them off at. Can anyone inform me on this case?

Those aerial roots are essentially non-functional. I understand that you are trying to get your Monstera to naturally attach its roots to the damp moss pole, but outside of an uncomfortably humid greenhouse, it almost never works.

The aerial roots can be cut off entirely without harm to the plant. You might consider pruning back the main stem of the Monstera once it gets too long to support. Pruning also does not harm the plant.

And you can root the cut off stem to make a new plant.

Blisca said:I have a monstera deliciosa that had been hanging quite sadly out of it's pot for a while since it had gotten so big it had a hard time supporting itself. I decided to but a moss pole for it and tied the stem of it's long end to it with some sisal string. The thing is that it's aerial roots have grown so big without support it's not easy to tie them to the pole and even though I've been keeping the pole moist it seems the plant just isn't attaching to it at all. I'm wondering if I should cut the roots short so the ends are closer to the pole and it might try to attach itself to it but I have no clue if this is a good idea or if it's damaging/bad for the plant, and if it's possible if there are specific places you should cut them off at. Can anyone inform me on this case?

You can cut it off without harming the plant.