Just to get in and look around it cost money ?

Worth it in my opinion. It's very beautiful.

Admission fee covers museum/gallery and very well maintained garden path with bonsai exhibit and model Japanese home. There's lots to see!

Is there any free admission during the year?

There is seceral area which are Freeeee. Tho

Yes, there is an admission $15.

Yeah that's all there is to do there. You just go in and walk around the gardens.