This prevents root rot. If you just can't bring yourself or it would be too difficult to drill a hole in a special container, consider planting in smaller pots that would fit inside. These must themselves have drainage holes and be elevated within the larger container so water can drain. If you want to build your own wooden containers, think sturdy. Use screws not nails.
Wet soil is heavy and expands and contracts with temperature changes.
A Feast of Flower Choices To begin your container garden this fall, you can choose just about any bulb you find for sale. Characteristics such as blooming period, color, height, and fragrance should be considered. For example, early-flowering hyacinths offer a heady and fragrant choice for planting in containers along walkways and at entrances. The idea is similar to building a lasagna. Plant a layer of tall-growing bulbs such as pink tulips eight inches deep in the container.