Hypertufa containers are porous, rock-like planters that you can make at home. The basic ingredients include Portland cement, peat moss, and either vermiculite or perlite. Mix the dry ingredients ...
For example, in USDA hardiness zone 3, concrete and composite plastics will offer the best protection, in zone 4, fiberstone and double-walled resin will work well, while in frost-resistant plastics ...