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Originally Posted by Torsten
Regarding Mugs' idea, perhaps the low density of the foam platform contributes to its success, in effect, helping the rocks to float relative to the other material. I wonder how well it works where there are lots of worms in the soil.
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Provided the rocks are forming a pebble bed (usually white, rounded river rocks are used for this), it works great, as the foam + rocks are less dense than the loam that's highly aerated by Earthworms. Boulders would tend to overload it *a bit,* though...[/quote]
Quote:
Originally Posted by Jerry
Ground cover - available in large rolls from most home/garden centers. You have to remove all the rocks that you want to keep - lay down the ground cover, and vola' no sinking rocks AND very few weeds...at least for a few years. We zeroscaped ~4 years ago with ground cover and it should last a few more. But as dust blows in, the rocks will eventually be covered. It doesn't sound like you are in a dusty area, so the ground cover should last for a while.
Oh, and if you want something to grow, cut a hole where you want it.
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Good comments, Jerry.
Plain ground cover should work just fine for sandy or other dense soils. For lighter soils, you'd want to use something to lessen the density of your system (aka, the foam).
As for dust, at my folk's, we hit it with the blower a couple times a year, and about 1 year in three, we remove the rocks, give them a nice bath in a washtub with a very mild (small) addition of soap and the naked end of a broomstick, and sweep and blow the settled dust/dirt/debris before replacing the rocks.