Are you dreaming about adding some window boxes to your home, but lack the time and patience to pamper persnickety flowers? In the last few years, succulents of every shape and size have made their way into gardens and homes across the country, with a few setting roots in window boxes on the shady sides of homes. If you are looking for a low-care option for your window boxes, succulents may be the answer.
Growing Succulents in Containers
Succulents are very unlike other plants you have grown in the past, and unlike most cacti, they do not generally tolerate bright, direct sunlight. Their ability to tolerate drought sets them apart from more standard nursery offerings. That is not to say that they can live without water, though. This common myth has led a lot of beginning succulent gardeners down a road paved with disappointment. Most succulents prefer moderately lit, warm and well-draining locations. If you design your window boxes with these requirements in mind, you will soon be graced with happy, healthy succulents.
Choose a composite window box with lots of drainage holes and fill it with a commercial cactus medium. Succulents will not tolerate wet feet. Avoid heavy, fertile soil mixes. These will only increase the risk of disease and attract pests. If temperatures in your area dip below 40 °F (4.5 °C) for any significant amount of time, you may want to plan for smaller window boxes that can be brought indoors during the winter. Regardless of the size of your container, plan to water deeply once a week until fall, when most succulents begin to go dormant.
Designing with Succulents
Slow-growing succulents can be packed tightly into window boxes for a full look or spaced further apart with small stones or glass pebbles serving as a decorative mulch and doubling as anchors. Many people plant taller, larger succulents in the back of their window boxes and creeping succulents in the front to create many layers of texture. Generously flowering creepers like Ice Plant and Moss Rose combine the texture of succulent foliage with bold flowers for a unique look as they spill over the edge of your boxes.
Although many gardeners like to mix it up, planting many different shapes, colors, and sizes of succulents in the same window box, there is merit in a repeating pattern. Like tulips neatly arranged in a planter, a tidy row of Aeonium, Aloe, Echeveria, or Pachyphytum can bring a sense of order to a more formal home or landscape.
Another neat trick is to arrange multiple levels of window boxes using stair risers for support. If you plant cascading succulents in the front of each box, a waterfall effect will eventually emerge to tie the many levels together visually. As long as your window box creations are not too wide to water properly, the sky is the limit with succulents!
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