I have been reading this discussion and wanting to try a topiary, and I found a topiary form at a tag sale today. It was covered with plastic fake ivy and stuck into a monkey ugly gold spray paint plastic basket. It was twenty five cents, so I whacked off the fake plants and chucked the basket, it was too ugly for repurposing. I now have a nice topiary frame with three balls...what do you think? Small, medium and large semps, and stick the topiary form into a pot with some kind of sedum that will cover the soil and cascade down?