>This is what has worked for me. I use baskets lined with weed blocking
>fabric (no pesticide treated stuff). I use these for lilies and some of my
>marginals. I find that the baskets allow for some circulation, because the
>sandy soil I use doesn't stink like what comes out of a closed pots. I use
>holeless closed pots for cattails as they have sharp runners and it has
>been suggested that those runners might go right thru a liner. I imagine
I can confirm that cattail roots will penetrate a liner. My pond was
dug 20 years or so ago and is lined with a polyester-reinforced
synthetic *** material from BF Goodrich. It was typically sold by
the acre for lining retention ponds, etc. and is pretty tough stuff.
Several years ago my wife had thrown a cattail head or two into it.
There was a pretty good stand of them when I decided to have a water Garden
instead of a liquid compost pile. I had to patch 2 or 3 holes
where the cattail roots had gone through,
On the original topic, I have trouble understanding why one should use
closed pots. Seems like you would need the circulation to get
nutrients to the plant. Anyway I don't use closed pots and most of my
plants are doing fine.
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