Lehighs Greenhouse Looking to attract the hummingbirds? We created a few specialty planters with some of their favorites in them! Instagram Plastic Nursery Pots & Plant Containers for Growing Hydrobuilder Have you ever used an olla? In arid climates they have been used for many generations as a slow watering tool. These jars are low fired so they will slowly seep water. Are worm like creatures in indoor pot beneficial or harmful?