The Ella tall planter will enhance your indoor or outdoor decor with its modern, tapered, & unique design. Made with a proprietary blend of stone & resin for increased durability, you'll be enjoying this one-of-a-kind planter for years to come. In addition to its elegance, this tall square planter has a built-in Water-Minder, a self-watering component that provides continual hydration to the plants. These deep-vessel planters can accommodate larger plants, trees & shrubbery. Showcase your arrangements at every doorway, patio, deck or other living space with these beautiful, lightweight, durable, & thoughtfully-designed planters. Size dims. (L" x w" x h") bottom (sq. In.) 13.5" - 7.4"X7.4"X13.5" 5 sq. In. 19.5" - 10.2"X10.2"X19.25" 7 sq. In. 27.5" - 13.9"X13.9"X27.7" 9 sq. In. 35.5" - 15.75"X15.75"X35.5" 10.5 sq. In. For best results in sustaining healthy plants in an Ella tall planter: when using outdoors, prior to planting, invert planter & remove the rubber stopper. Removing the stopper will allow water to properly drain from the Ella tall planter. Store the stopper in safe place & replace the rubber stopper when moving your plants indoors. For additional soil aeration, add a soil amendment such a perlite, small stones, or clay piece to the bottom-and up to 1/3-of the container when deciding what to grow in the square planter. Check the planting instructions for the specific plant species. Follow the directions &, if planting multiple seeds or seedlings, place each plant the recommended distance between each plant to allow enough space between them to grow you will find a unique Water-Minder feature at the bottom of the Ella tall planter. If you remove this part during cleaning, please replace it before replanting. This piece is crucial to enable the self-watering feature of this planter. It helps water accumulate in the bottom reservoirs to recirculate & feed your plants during the growing season.