This hand-crafted mushroom watering spike is available exclusively from Mountain Mudworks! Watering spikes slowly disperses water into the soil to help keep your plant well hydrated. This item is similar to a watering bulb, but better! Why? It's easy to use. Unlike the bulbs it doesn't get clogged with soil. AND it won't damage plant roots because you don't need to remove to add water, just fill the the reservoir while watering the plant and the ceramic spike will allow the water to slowly seep through to the soil for several days. Great for indoor or outdoor plants. (Do not leave out in freezing conditions) Approximate dimensions: 6 inches tall (including 2.5 inch spike), the mushroom cap is 2.5 inches wide, and the stem is 1 inches wide. Holds about 3 ounces of water.