[Bonanza]

Originally Posted by naneiben

If you amended existing soil with compost, vermiculite, peat, etc. (You'd want a soil test first), would that do the trick? Actually replacing soil seems like a major undertaking. Just MHO. Good luck.

Forget the vermiculite.
It doesn't add anything to the soil and
doesn't break down into anything good.
Vermiculite does hold water,
but that shouldn't be a reason to use it.