This is a large planter designed for large outdoor ground plants (shrubs) using the move objects cheats and the alt key.
I say designed for but you can also put multiple smaller ones in, even potted plants
hiding the pot inside. Or trees if you so desire. I have altered the footprint
also so using the alt key will allow you to put plants right next to each other.
To put the plants in you need to use the move objects cheat and
then use the alt key if you want to move them from side to side.
It is found in outdoor activities.