While a house in a hilly area comes with a promise of stunning panoramic views of the surroundings, to their utter chagrin, homeowners quickly realize that working on a sloping backyard can be a harrowing task. However, the old adage, “More work equals to better results” certainly holds true in case of landscaping a sloping yard which presents innumerable opportunities for aesthetically pleasing inclusions that would otherwise look mundane.
When planning a landscape for a hilly yard, it is quintessential to include this topographical feature as a crucial consideration when deciding on every aspect of the landscape, from the type of plants that you intend to use to the design of the garden. Preplanning will help you to tackle the more cumbersome aspects of landscaping a slope while yielding astounding results. So, here are some tips on how you can landscape your sloping backyard to create a stunning medley of colors and textures.
Get to know the terrain
Grading the terrain: Before you draw up plans for landscaping your sloping backyard, it is imperative to study the terrain and the slope to ensure that your landscape will be able to efficaciously handle the drawback of gardening on a slope, while making the most of the natural features of the terrain.
A simple thumb rule to understand how the extent of slope will impact your gardening efforts is that the steepness of the slope will be directly proportional to the water you will need for your plants. Because steeper slopes tend to funnel moisture away from the plants, forcing the water and soil to flow downhill, it is vital to get the slope graded. As a matter of fact, most experts suggest that getting a sloping yard professionally graded can help you to save a significant amount of money on watering the steep terrain in the future.
Visual analysis: Alternatively, you could also do a visual analysis of the area. Gauge the severity of the slope and create a quick diagram labeling the steepest portions of the yard; make a note of the amount of sunlight that the different portions of the yard receive. You may also want to include comments on any drainage problems that may be encountered in specific areas.
List the various elements of the landscape: With the diagram in hand, you will be in a better position to place the various landscaping elements in the drawing such as tress, flower beds, fountains, walkways, boulders etc. It is crucial to accurately anticipate the area that the plants and shrubs will cover at maturity so that the landscape does not look too crammed.
Mark the areas for planting: Ideally the trees should be planted at the bottom half of the slope so that they can add stability to the landscape and prevent soil erosion. The steepest sections should have shrubs with deep reaching fibrous roots that will hold on to the soil while the wider plants that will cover large areas at maturity should be planted at the bottom of the slope so that they can create a neat hedge while affording you all the privacy that you need to enjoy your garden.
Preventing soil erosion
Stability and accessibility: Soil erosion is a huge concern when gardening on a slope; however, depending on the steepness of the area, you will also need to give a thought to accessibility requirements such as a ladder or other forms of assistance for climbing. The type of soil and the steepness gradient will also impact the stability of the yard.
Drainage and soil erosion: The direction in which the water drains from a slope will have a bearing on the extent of soil erosion; for instance, if the water runs down straight to the lower ground, there will be massive erosion. Using non porous material for landscaping on a steep terrain will further augment the soil erosion problem.
Solving the soil erosion problem: There are several anti erosion measures that can yield remarkable results such as:
- Laying garden paths across the slope
- Using boulders and logs to reduce drainage
- Building retaining walls with small rocks
- Planting specific types of grass
- Interlocking walls etc
Using the right types of plants can not only add to the aesthetic appeal of your garden but also help to reduce soil erosion. As a matter of fact, mixing different types of greenery is the ideal way to reduce the water from draining away too quickly. Plants such as deep rooted shrubs combined with trees like manzanita and juniper will hold the soil tight for the shallow rooted perennial shrubs and flowering plants like clematis and day lilies.
Preparing the ground
With a list of plants that you intend to use to reduce soil erosion, you are all set to prepare the ground for your landscape
The compass points need due diligence: Knowing the direction in which your yard faces will prove immensely useful when choosing plants for the landscape. Slopes that face to the south or west tend to drain faster and will have to be watered more than yards facing the east or north. So, if you are handling a western or southern slope, pick drought resistant shrubs or your water bills may go through the roof.
Ground cover will help: Although for regular areas, bare soil will be adequate to grow a bountiful flowerbed; the story will be different with sloping surfaces where the soil will dry up and erode quickly due to the slant. Use ground cover plants such as Vinca, Sedum and Liriope muscari for best results.
Use good ol mulch: This is a natural and affordable way to deal with soil erosion; also it helps to fertilize the soil. However, it is certainly not a permanent solution as the soil will drag the mulch away slowly, leaving bald spots in your landscape. Another issue is the fact that dry and dead leaves, twigs and branches are not exactly a visually pleasing sight.
Choosing plants for your sloping yard
Ornamental grasses: Local, ornamental grass varieties with their deep reaching root system that spreads horizontally is ideal for controlling erosion. Since grass is low maintenance, you will not have to worry about fertilizing the ground. Some attractive ornamental grass species include:
- Little bluestem
- Inland sea oats
- Plains lovegrass
- Texas beargrass
- Estern woodland sedge
All of these grass varieties thrive when planted on hilly terrain.
Ground cover plants: For a slope that receives a fair mount of sunlight; prostrate juniper should work just fine while for a shady area, you might want to use creeping boxwood, also known as pachysandra. Other ground cover plants include wintercreeper and periwinkle which also flourish on hilly grounds.