Sarah, you may get some ideas from the link I have put in below. If you have any problems accessing similar in SA then feel free to give me a shout. You may get other ideas from Googling 'plant pot feet.'
3 comments
by airyfairy
25 Feb 2014
Thank you Dennis - I am going to have a look right now.
by cfidl
25 Feb 2014
exactly what I would have recommended, some kind of stoneware.
by pennifold
03 Mar 2014
I'd use those little metal bases with wheels on them. Love Chris