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I am sure a few do, but I do not know anyone currently who does. Certain groups want a bit more drainage, such as Mexican Pinguicula and it works well for them. However those are species you generally don't grow outdoors. Only in a greenhouse or indoors under lights where the perlite does not have that issue. In my drier southern California outdoor environment I needed a heavier moisture retaining mix which was the reason I went the route I did.
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