How to Make a Garden Trough

When packing the hypertufa mix into the form, take care not to knock the drainage molds out of place. Pack the mix tightly, starting with the bottom. When you've packed the bottom to a thickness of at least 2½ inches, insert the inner form and begin packing tightly up the sides. Shovel the mixture in with a garden trowel. Remember, the tighter you pack, the stronger your trough will be.