Dear Aad, I only ever had beech leaves to compost in my old place but it seems to be the mycorhiza are not that fussy. Here I compost whatever I can get. I have used the same method with success on Rhodophiala bifida. Mark " It is leafmould or any humus that is full of those white threads which does the trick. > > Does it matter what kind of leaf (oak, beach, ...) you use for the mold. > > And not always practicable but I noticed when Hippeastrum where standing outside in the summer (either in a container or in the ground) the chance of getting Stagonopora was much greater as when keeping indoors. > > Aad"