Container gardens are a great feature, especially when you have a small garden or no garden. Pots of plants adorn balconies, add warmth to patios and decks, and brighten doorways. Containers, however, can also solve many problems, even in large gardens. Here are 6 clever ways to use containers to solve some common garden problems. Problem 1: Nothing grows here Poor soil quality, steep slopes, areas under mature trees or of heavy drainage are challenges for any gardener. The solution: Containers…