I'm not sure what soil mix to plant this in! I'm thinking something like a classic chunky orchid bark/perlite/sphag mix, but I'm not totally sure. Is it even ready to pot? She's been in water for approx. 2 months now. I've never had luck w/ monsteras 😭

So I was looking at the real plant section at IKEA and saw this portion of a parlor palm just laying there so I scooped it up and brought it home and dunked it in some water. It's not doing much, in fact it seems to be losing colour so I'm just wondering if I'm propagating this correctly. There was a bit of mold so I rinsed it under cool water gently and washed the glass. Does this need to be in soil?