both i am pretty sure
it is an outdoor plant
rhoeo spathacea is an outdoor plant in tropical areas and can be acclimated to an indoor plant. So it is both.
outdoors
I think indoor will grow better.
A spider plant can be inside and outsode.
It always grows faster in the outside
outdoor
outdoor
an indoor stadium
It is an indoor game, but can play outdoor when there is no any strong wind.
outdoor
Outdoor