I don't think it to be possible unless u can somehow get yourself a whole ecosystem going!
If I am not mistaken, Canada is the largest suplyer of Spagnum worldwide so i doubt it is that expensive to buy.
But who knows .. It might be possible to grow it ..
1.3 Coastals 6.6 Jungles
3.4 West Papuan 1.0 Bred'ls
1.1 Yellow condas 0.1 Sebea
**looking for female Bredl's python**