I have recently acquired several vanda sanderiana/euanthe sanderiana, the vanda sanderiana alba and several ascocendas. Where should i put it north, south? I also have several seedlings of vanda sanderiana and kagawara christie low i put it in the side of the net near my dendros...it only have 2 to 3 small roots around 3inches at times less... how do i care for it