The original fabric planter, the 20-gallon Smart Pot in purple makes an ideal contained garden and is the best gardening container for any plant's roots. With durable, lightweight fabric oxygen circulates, excess water drains, and heat is released through the fabric walls. By providing even water distribution and excellent drainage you'll have lots of healthy roots and plants. The 20-gallon size is perfect to grow tomatoes, cantaloupe, watermelon, pumpkins, sweet potatoes, squash.