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Trimming ground cover plants
>That brings up a related issue. Hydrocotyle grows fast. In my tank were
>I grow it laying down the stems quickly mount on each other and the mat
>gets thicker and thicker. Eventually it's too thick to call ground cover
>and I have to thin the mat somehow. I imagine that glossostigma, h.
>difformis and a few other fast growing plants that can be grown
>horizontally for ground cover have the same problem. This is different
>from the problem of the stems trying to grow vertically. How do y'all
>prune the plants to keep the stems from piling up too deeply?
I haven't had any luck with Glosso, and when I've grown Hydrocotyle, it has
been very unruly, and lept for the surface at any opportunity. I _can_
speak to the subhect of H. difformis as a ground cover, however. It's easy
as pie. Just mow it down. It gets bushier and bushier.
Aquatic Gardeners Association