3. Plant a container garden. Although grasses are much easier to maintain, if you really want flowers to brighten up your backyard, perennials are a safe bet. Although annuals do tend to do well in container gardens, they need to be replanted each year. Container gardens are great because they allow for a ton of versatility. You can mix various types of plants together (as long as they have the same water and sun needs) and avoid the issues that come with poor soil. Here a combination of herbs create a rich palette of texture and color.