It's theoretically possible. However, there are two important things to keep in mind here:
Perhaps you meant mold, which is a different story. It still requires moisture, but doesn't especially need light (in fact, molds generally grow better in the dark), and a lot of people are allergic to molds.
Used a mod or put grass in your house dirt doesn't work so you need to find grass surrounding that dirt you placed and then you need to wait till the dirt goes to grass. Animals only spawn near grass.
Make sure that you keep the grass trimmed and clean. Make a good first impression because remember the customer sees the outside of the house before anything else.
No, my dad was inside the house about to take me to the Rec and I had to pee badly and wouldn't make it to a bush so I peed on the back of the car until he came out and I finished it in the grass, peeing outside it what I always do!
to make your house look pretty
mud, tree, bark, grass
tell her to come outside and when she is outside lock her out of the house, but make sure she dose not have the house key with her.
You cat must have been playing with it outside and brought it in . Maybe he/she likes to make a mess with DEAD grass .
The outside of a tudor house is usuallt make of straw , wood and mud. It was small and not impressive at all.
Pigeon fancier make lofts to house them. In the wild, they build nests on builduing roof tops.
Lumberjacks are like enforcers they stand outside the ring (Normally surrounding it) and their jobs are to make sure the action stays inside the ring and that there is no outside interference.
you can train it to pee outside
You can cut up old bottles to make windows for your house. Also use old scraps of paper to make grass or snow outside the house.