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News / Life / Clark County Life

Gardening with Allen Wilson: Cut work by working with nature

By Allen Wilson
Published: October 15, 2019, 6:05am

“Work with nature whenever possible” is one of the 10 basic tenets for a better garden promoted by the American Horticultural Society. This is a good time to assess your landscape to see how you can make gardening easier by working with nature instead of against it.

When you add or replace plants in your landscape, one of the first things to do is select plants adapted to your site and climate. This could mean reading plant labels and descriptions in books and internet sites, talking to knowledgeable nurserymen and gardeners, and looking at plants in your neighborhood that are growing successfully.

Another important consideration when selecting plants is their mature size. How tall and how wide will they become? Is the space available big enough for the plant when it becomes fully grown? Most plants need some pruning at one time or another, but repeated heavy pruning to keep a plant from blocking a window or sidewalk, is not only a lot of work, but is not healthy for the plant.

Sun and shade tolerance is basic when selecting plants. Almost every plant label indicates whether a plant prefers full sun, part sun, or shade. Most sun loving plants will grow where they get at least 5 hours of direct sunlight a day. Many plants that prefer shady locations will tolerate morning sun, such as the east side of a building. However, planting a shade loving plant on the south side, or a sun loving plant on the north side is asking for problems. It is too bad we don’t have more plants like pansies and violas that will thrive anywhere from full sun to full shade.

Avoid problem plants

Avoiding plants that may grow successfully but cause other problems is a good way to avoid unexpected work. For example, the Tree of Heaven (Ailanthus altissima) is a large, fast growing tree that can provide shade in a few short years. However, when mature it produces thousands of seeds which sprout not only in your own landscape but in your neighbor’s landscapes several hundred feet away. If not removed quickly, they develop a large, creeping root system, which if not removed completely will sprout again. I once lived a half block from a Tree of Heaven and had to remove dozens of sprouted seedlings yearly. 

Another plant that can become invasive and take over areas where you do not want it to grow is Bishop’s weed (the name is already a clue.) Aegopodium podograria, is a vigorous ground cover that spreads by underground creeping rootstocks. It is tough and easy to grow, but can spread where you don’t want it if not contained by a barrier.

I love California poppies, but they scatter their seeds into areas beyond where I want them to grow. They are easily pulled, but if your time is limited, this is one job you can eliminate by planting something else.

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