Whether you want to grow more plants or a variety of flower colors, shop Direct Gardening's container plant collections. It's an economical way to buy lots of plants and to grow different flower colors. Direct Gardening offers several collections of plants that are suitable for growing in patio containers. Popular among gardeners with limited garden space, container gardening is a great way to create a welcoming feel on porches, decks and patios. When buying plant collections online, first determine the plant's mature height and spread and what size of container you will need. Your plant containers should have suitable drainage. Other considerations when buying plant collections are sunlight requirements and bloom times.