| Concrete beds can be used to your benefit Dear Sandi: We recently moved into a house that has a number of landscaping challenges. Next to the driveway, the former owners had a short cement wall built to act as a retaining wall for a raised planting bed for vegetables. The problem is it is very inconvenient to maintain, and of course, in the winter, it is going to look particularly bad. What can we do that would be easy to take care of and still look presentable? — Pamela L. Salem Hi, Pamela: Well, you know the old saying, “If you have a lemon, make lemonade.” Looks like you guys may have inherited a lemon, so lets see what you can do to turn it into lemonade.
Actually, you may have the makings of a rather interesting garden feature. I realize that raised beds of any kind can be a bit of a mixed blessing. Often they are too wide to easily weed without climbing into them, and other tasks, such as picking and/or harvesting a crop can be a bit difficult. But think about putting something into this area that requires a minimum amount of care. This time, we gave ourselves a few hours to meander around the estate. And, what do you think they have, right in the middle of their grounds? The same situation as it sounds like you have, Pamela. Here are these large, cement-ringed areas that easily could be an eyesore, but instead, they have been turned into charming, decorative planting areas for a number of easy-care plants. A number of different things have been done with these concrete containers. Small, slow- and low-growing conifers and junipers are used as the backbone, then other ground-hugging plant material are added, interspersed with some larger rocks and topped with a decorative pebble mulch.
You want to look for small trees or shrubs that are very slow growing. Plant material that often is sold as bonsai starters can be a good candidate for this type of planting. Another personal favorite that would work here are sedums and other succulents. They require very little in the way of care, and one of the big advantages to many of them is that you can snap off small pieces and pop them into the dirt to get them to take root. It is a very quick, easy and cost-effective way of getting a lot of interesting plant material. Another big advantage to working with succulents and sedums is that they make good neighbors. Very few are really aggressive or invasive, so you can mix a lot of different ones into an area for variety of color, shape and texture, yet no one particular plant will take over. These hardy little fellows come in a wide range of hues, including creams, burgundy and various shades of green, giving you a lot of colorful options. There are a number that are very low growing, and they look wonderful when four or five varieties in various shades are planted together, forming a colorful patchwork effect as they spread. An added bonus is that most of them have a fairly long flowering period in the summer. Once they are established, they don’t require much in the way of care, are not heavy drinkers ,and seem to be impervious to most types of diseases and/or insects that might plague less hardy plants. Because many of the plants in these families are of the ground-cover variety, they will happily spill over the sides of the concrete, softening the hard edges. As you can probably tell, I am a big fan of these wonderful little plants. They are easy, hardy and non-invasive, and you’ll have an endless supply of starts to give to your friends and neighbors. You can, of course, mix the two approaches, using taller, slow-growing varieties of small shrubs to give your area the structure that you want, then use the sedums and succulents as your ground cover. September 30, 2005
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