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Safe plants for pond liners

Posted by pondlifetony Cornwall uk (My Page) on
Tue, Jul 6, 10 at 9:05

I have just constructed a large(ish) pond, about 30 mtrs x 16mtrs. It is lined with Gordon Low Greenseal with underlay above and below and also clay above. Question is:-what plants' roots may penetrate the liner? I have been told to avoid Common or Norfolk Reed and maybe Bulrush although he didn't know if he meant Reed Mace or the real Bulrush (Scirpus Lacustris) I have already planted the variegated Phragmites which I was told was ok. but I am scared of going further without reliable advice. Can anyone help or perhaps point me towards a good web site? Thanks all.


Follow-Up Postings:

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RE: Safe plants for pond liners

I believe there was somebody who had a problem with the variegated Phramgites just recently. I will try to find the thread. Others will give you good suggestions for plants soon.

Lisa


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follow up post

Here is the link.

Here is a link that might be useful: Invasive bog plant


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RE: Safe plants for pond liners

Pondlifetony,
If my math is correct the liner 30 mils EDPM. You don't state what the weight of the underlayment is or how thick the clay and type of clay is in the pond.
Mike


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RE: Safe plants for pond liners

Hi
Apparently you intend to grow the plants directly on the bottom? IME almost all water plants are VERY invasive . Growing in containers goes a long way toward avoidiing a lot of problems.
makes arranging and fertilizing MUCh easier also and a backsaver when a cleanout is needed. Only plant I've had make it through the liner is "Strangler fig" but then I've seen them penetrate driveways lol. gary


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