elephant ear pods and how to deal with the pod
when to cut pod and how to manage it
Certified GKH Gardening Expert
If you do not want the seeds from the pod, then you can cut these as soon as the flowers fade. If you do want seeds, then you will have to catch them as they dry and start to split. They will not be viable for very long after they are out. Once they dry out, they will be dead.
It is part of the natural cycle of the plant, and there will be no good way of controlling it without starving it of nutrients in a very controlled manner. It is very advanced, and not advised, as it could risk the health of the plant.