They say "a picture speaks a thousand words" so here's a short book;
D. intermedia 'Cuba' planted 9/19 on pure chopped sphagnum;
D. intermedia 'Cuba' planted 9/19 on pure peat;
D. intermedia 'Cuba' planted 9/19 on sand/peat;
Others;
D. intermedia 'Great Swamp' planted July 18 on sand/peat;
D. scorpoides gammae planted 1/2 on Sphagnum, 1/2 on peat/sand mix
Platycerium elephantotsii on pure peat;