Tutorial for making hypertufa planters. Looks like concrete, but are lightweight!
Make Your Own Hypertufa Container - Hypertufa looks like stone but weighs less and takes whatever shape you want. - Tutorial here:
DIY Tutorial - How to make hypertufa pots/balls - they're much lighter than concrete
Fairy and Miniature Table Top Gardens PDF house pot path vegetables flowers hypertufa sculpture tutorial on Etsy, $6.82