I really like your work. Very refreshing amongst all the monsters and superheroes here. Lol.
Piglan is nice, the Christmas Magic balls are super but of course my personal preference goes to the hothouse. This is really outstanding and to see it done in ZBrush with ZModeler makes it even better.
When you say you are self-taught, do you mean you figured it all out yourself, or did you buy books, or followed tutorials on, say, YouTube or Vimeo? I ask this because I needed tutorials and books, really did, and still do.
I love hothouses and yours is a beautiful one. Did you work from a plan, from photos, did you visit it in real life etc etc?
Please continue and keep on posting.