one the biggest indoor gardening myths is that rocks will create drainage in the bottom of a planter without drainage holes. but without an actual drainage hole, theres no where for the water to go! 7.5" Nursery Pot Azalea Anderson's Seed & Garden 3.9 Gallon Pot White AutoPot Watering Systems USA Seeds with the Fastest Germination Quick Growing Vegetables & Flowers trailingpetunia.com Five different types of plants in concrete pots 71117145 Stock Photo at Vecteezy