Made from Terracotta Clay- gradually release water with our plant watering device. The terracotta self- watering spikes will provide a continuous release of water to your plants while you are away. When you fill the terracotta stake with water, the water will slowly soak through the porous clay. Approx 7.8 inches in height, Simply dig a hole in the soil. Gently, insert the watering stakes into the soil. Insert the stake into the planter soil to ensure release of water. The more of the terracotta spike is in the soil, the more water is absorbed by the soil. Includes a...