Vermiculite is a flaky clay mineral, in more ways than one. When heated to about 570 degrees Fahrenheit, it opens up into ...

You’ve probably heard of vermiculite, but confusion surrounds what it is, whether it’s toxic, what to use it for, and if you should avoid it.

Look up the word "vermiculite" in Henry Beard and Roy McKie's hilarious "A Gardener's Dictionary" and you'll see it defined as an "obscure order of nuns devoted to gardening." In fact (as opposed ...

The word “vermiculite” is defined in Henry Beard and Roy McKie’s hilarious “A Gardener’s Dictionary” as an “obscure order of nuns devoted to gardening.” In fact, it is a silicate ...

Every gardener wants nutrient-rich soil. But just because your yard doesn’t have enough nutrients naturally doesn’t mean you can’t add more with the help of vermiculite or perlite, common ...

Most people know vermiculite as that foam-like mineral that gets mixed into potting soil or poured into attic spaces as lightweight insulating pebbles. Last week, the Environmental Protection ...

The vermiculite should not be disturbed, because it could release the fibers into the air. Once airborne, the fibers can linger in the air for hours or days.