Love this idea: Old Boot Planters. My cat is obsessed with my brother's boots and loves to sniff and scratch them. He's getting rid of them so I'm snatching them up to plant cat nip and cat grass in for my kitties :)
Natural Water Gardens - Small freshwater gardens are fun to create and simple to care for. And all you need are a few floating or submerged greens in a vintage aquarium, an apothecary jar, or a sleek glass cylinder.