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Re: habitat/ponds/plants

Water hyacinth has to be the most invasive plant on the planet. Some idiot threw some into our pond at the nursery and it quickly blanketed the surface. We skimmed out the first batch, but it quickly grew back. So we gave it a dose of roundup. Not especially good for the tilapia or the alligator, but the weed are probably harder on them. It sure does have a beautiful bloom, though.

Yes, I've read about the City of San Diego [I think] using them to reclaim sewage water, then harvesting them and turning them into silage for hogs. It was a demonstration project. Don't know whatever happened to it. My thought at the time was they ought to have then used the hog manure to produce methane and used the methane to generate electricity to run the treatment plant. But I was just a sheep farmer at the time, fixing most of life's annoying problems with baling wire.

On Tuesday, January 27, 2004, at 03:04 PM, TeichFlora@aol.com wrote:

Eva should be able to get the plants fine in NY....a definite must, I think,
in any watergarden. Best natural filtration there is. There are even towns
that are using the water Hyacinths and Water lettuce as their main filtration
in sewage treatment.

The hyacinth and water lettuce, as well as salvinia, etc. unfortunately are
illegal in southern gulf states, including Tx. It has naturalized though, so
one sees it quite a bit in the bayous, etc. much to the discouragement of the
TPW dept. Doesn't get cold enough to kill the plants, so they are not kept
under control. Even in private ponds, they have a tendency to get out of hand
quickly. All floaters make excellent compost though. Perhaps it is our longer
heat periods that it decomposes better. Being floaters, and natural filters,
the hyacinth and the lettuce roots absorb all the nutrients from the fish
poop, etc. and thus make an excellent addition to the bio filters AND the compost
Note: I didn't say that I had any.

zone 9
Texas Gulf Coast

In a message dated 1/26/2004 11:02:41 PM Central Standard Time, gardenchat-owner@hort.net writes: Nope- I don't use any chemical. I clean out my filters, sometimes replace some matting if it needs it, and turn it on... I do add water hyacinth to the top of the waterfall yearly, as it is not hardy here. Not sure if they are legal where you are, but here it is fine. I never let them escape, they die here. Unfortunately, they do not make good compost... take forever to decompose....


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Island Jim
Southwest Florida
Zone 10

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