For best results and to promote healthy plant growth in an Ella Square Planter When planting， create a drainage layer on the bottom of the pot by adding medium-sized rocks or stones as a first layer on top of the water-minder to add weight to the bottom of the planter. Constructed from a superior blend of plastic and natural stone Lightweight， frost proof， and will last for years and years Versatile planter that is perfect to accent your interior and exterior decor Makes it easy to grow your favorite plants Plastic Made in USA Your security is our number one concern