Rocks DO spawn on the same acre

[Chea]

I'm doing this because when I started building my zen garden I found a lot of contrasting infos.

Today I finally managed to get all my rocks to spawn and they are in the same acre! You don't have to worry to split your rocky garden in two acres

Spoiler: In-depth look

 

[pocky]

:O i have 4 in the same acre, really want to have a space for all 6

 

[Chea]

:O i have 4 in the same acre, really want to have a space for all 6

Are you aware of the mannequins trick?