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Pond plants

Hi all, have been given 3 water lily plants which I have started to grow in a very small pond (ok, it's a large square pot). All 3 are shooting, but they (and the pots they are in) have started to attract green slimey stuff.  I know I need an oxygenatng plant, but not sure which would be best.  I have room for one more plant so it has to be good.  Can you clever people suggest something suitable please?

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  • GemmaJFGemmaJF Posts: 2,286

    As it is for a container pond Elodea canadensis (Canadian pond weed) is one of the best oxygenating plants around.

    I would hate to have it in a garden pond though (takes over completely very quickly) or see it in the wild where it can be a real nuisance. 

  • Thanks, Gemma, very helpful.  Rest assured it will not escape!

  • TesniTesni Posts: 163

    Hornwort is the one I'm going to put in my pot, when I get it started. You tie it to a stone and place it underwater.

  • Native Hornwort is a superb oxygenator and no worries about it escaping. image


    Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.





  • WateryWatery Posts: 388

    I'd go with hornwort.   Plants can "escape" when a bird uses your container pond as a birdbath and then stop off in a natural pond.

  • Hornwort is a British Native so better for our use in this country than the non native Elodea species

  • GemmaJFGemmaJF Posts: 2,286

    Will Hornwort do well in a small container? Not saying it won't just asking, if it will feel at home it would be the my first choice and is also the oxygenating plant I chose for my wildlife pond.

  • We used it in small tanks at school - those little ones 18" wide x 12" x12"  - it was fine image


    Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.





  • Yes it is a good all year round hard working plant that will be fine in a small container

  • Really helpful, thanks.  Should I try to clean all the green stuff/slime off the sides of my tank before I put the hornwort in?

    image

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