Get the very best out of your potted plants with these handy supports for use indoors and outdoors at the base is a durable plastic disc with small perforations in it place it in the bottom of any plant pot before adding soil or compost for the perfect drainage the disc can be used on its own or with the detachable cane support slotting into a hole in the base it is just the right diameter to hold a support cane securely no falling over or out as the plant grows