'Stumppot' eliminates wilting
This year I planted an eggplant in a 18 gallon tub with a big stump in it. Unexpectedly the plant never wilted.
The eggplants in this tub are the best that I have ever grown in containers (so far at least).
So I created a blogsite to communicate this.
Here is a link that might be useful: Overcoming wilt