Nice. I have floating hearts directly in gravel and no other water lily species, as I find the big rhizome ones a bit annoying to deal with, it actually propagated itself a few weeks ago so now I have two or three floating heart plants. I think they can propagate from practically any part of their stem, or so I read.Beginning to really love the floating hearts! No bloom's today, but loving the mini-waterlily like foliage. This is my first experience with these.
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No bloom yet though, although I am in dappled shade, so maybe not.