Not sure when or how much to water your plants? Or maybe you're heading on vacation and won't be around to water them. Ensure plants get the water they need with this two pack of Willow globe plant waterers. Once the water-filled globe is placed in the soil, it slowly releases water for a steady supply over time to prevent over or under watering. Individually crafted from hand-blown glass, these watering bulbs double as attractive decor accents. Use them to help your potted house plants, herb gardens and patio plants thrive.