You'll probably have better luck with plant nurseries or pond supply places. A very small percentage of aquarists keep large floating plants, so it's not common in your average pet stores, even the mom'n'pop places.
Josh H
Josh H
that has been said alreadyFreshwater plants are wonderful for turtles; wonderful to eat! Yes, they look beautiful in turtle tanks, but turtles will eat them down to the stem. Plant fiber in a turtles diet is actually a good thing; but if you get plants, don't expect them to last.