I have had one in my natural enclosure for several years. I FINALLY YANKED THE BLASTED THING, CLEANED FOR THE LAST TIME and put it in storage. It was a nice effect and with the fogger in it it kept things nice and humid. BUT it was forever getting clogged with crickets that would slip in any space they could and get in the water source and also getting all germed up and messy because the geckos would defecate on it and their waste would wash down into the water source. It was a constant battle of taking it out every few days, cleaning and disinfecting it and putting back in again. Nice effect, too much work and not worth the health risk to the animal if you slack off on keeping it clean. Just my opinion and my experience with this though.
I have a colony of six animals (2.4) in a 60 gallon tank. I keep all the plants potted and just use cypress mulch on the bottom. There is also cork bark, vines and grape vine in there for them.
I prefer to leave the plants potted because it is easy to remove them and clean off all the gecko droppings then just reset the pots in the substrate. It just keeps things nice and fresh looking in the tank.
They seem happy and breed constantly.
Steve