I have 4 Pekins about 6 weeks. They stay out with me, or close by in the yard during the day/early evening. They stay pretty close to the patio where I have a small pond already. I don't leave them alone for long periods just in case. I keep their run open and they know to go there for food. As...
I should also mention these are established plants. I would think if its young and just starting they may eat it. You might get a plant going in a small stock tank or something like that and once its large enough put it in the pond
I also bought a dirty water dump pump of amazon for 70$ to drain the pond and the tub in the coop as needed. I'm hooking a garden hose to the outtake valve and using it around the yard and in the veggie garden. Would have used the water anyways on all the plants so at least now it's packed with...
I live in San Antonio :) and our ducks have a pond they use in our yard that has water cannas and Iris in it. They don't really pick at the folliage but go crazy digging at the roots. So far it hasn't done any damage to the plants at all. I think they are digging out bugs is all