Hydroponics is a little different than putting some "in" a pond - but - you could give it a shot and report back!
Assuming it will get full sun - you could try putting some plants in a pot full of pebbles, and sinking that almost to the base of the plant - and see what happens.
That's exactly what I meant
Last year I did the same thing with a musa sp. Dwarf cavendish, this year I'm trying to find alternatives, the more the merrier