Buy from Amazon : br br Tierra Garden GP71 Windowsill Self Watering Plant Tray br br The perfect plantsitter - go on vacation with no worries about your plants br The plants sit on matting and draw water as needed br Perfect for use in the greenhouse Terra cotta pots work great with this system br Measures 30-inch by 7-inch by 1-12-inch br Keeps plants watered for up to 14 days