In a message dated 8/9/04 7:23:31 PM, Colin Hamilton writes: > Also vermiculite is lightweight. It is 'expanded clay.' > Vermiculite is not expanded clay. It is expanded mica. Personally, I would not use it for orchids, bonsai, or houseplant mix, as it collapses and gets mushy too quickly. Its best use is as a component of a mix for cuttings and seedlings (not orchids), along with Perlite and milled sphagnum moss. Iris "It's not the years, honey. It's the mileage." -- Indiana Jones
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