Plant Hack #17 Making your own self watering planter. This is such a perfect hack for those who forget to water their plants or those who want to make plant care a little easier. Self watering pots Miracle Gro Orchid Potting Mix Stop buying garden obelisks! You can make one for $ 15. An obelisk (thats the fancy name for this simple garden trellis) usually runs $60$100, but this DIY version using garden stakes saves you a Garvee Large Outdoor Tall Planter Black Flower Pots, 23" Tapered Front Porch Decor Plant Pots with Water Level Monitor, Automatic Watering(2 Packs)