philodendron growing in water
I have a philodendron growing in water. It has been growing great for a long time, but now the leaves are wilty. It's almost like it's not getting enough water, but it is in water.
Certified GKH Gardening Expert
You may need to trim the plant and also trim the roots.
Water needs to be changed periodically and a water soluble fertilizer can be added.
Here is a link with more information.