This (4 Pack) of Hydrofarm Tomato Barrel Planting systems lets you grow the best taste of summer anywhere you can find a little space. This self-watering planter and support tower is ideal for patios, decks, balconies, or even rooftops. In addition to tomatoes, it's suitable for other climbing plants including beans, peas, and climbing flowers. The trellis expands to over 4 feet tall and has plentiful inner diameter and height to let your plants fill out and produce bounteous crops or flowers. The reservoir is easy to fill, and it provides your plants plenty of nutrients to help them thrive and live their lushest life. Because it’s compact and mobile, you can move this container as needed to take advantage of sunlight and rain and to avoid nasty weather such as hail and wind.