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The Dynamic View of a Hillside
A slope or hillside can be intimidating when you are thinking of ways to landscape your yard. Slopes can be difficult to walk and work on. Steep hillsides also come with the risk of having soil run off and down the slope. However, hillsides also have some built-in advantages. You have an instant view and it is easy to create a dynamic sense of movement with plants positioned on a hill. This resourceful gardener used the contrasting textures of the conical evergreens, spiky flowers, flowing ornamental grasses and rounded shrubs to animate the garden. The scene is kept moving by a river of silver lamb's ear that runs the length of the bed.Continue to 2 of 13 below.
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Anchoring a Hillside Garden
The soil on a hillside is often less than ideal. The topsoil tends to wash off quickly, taking the nutrients and fertility with it. It's not uncommon to have a hillside that is mostly rocks, barely covered with a topping of soil. In that case, you may have to create planting pockets and bring in some additional soil, just to get plants established.
This gardener made use of two workhorses, astilbe and hosta. Both can grow in the shade of this creek hillside and both are hardy enough to take hold in the poor soil. She divided the original plants and quickly covered the entire slope within a few years.Continue to 3 of 13 below.
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Terracing a Hillside With Stone
Stone walls are a classic way to terrace and tame a hillside. Although they are a lot of work initially, once they are in place, you have a structure that is both functional and attractive. Stone walls can create planting areas wide enough to work in and around and they even look good on their own, requiring very little fanfare from the plants contained in them. Since stone tends to heat up early in the spring and hold heat at night, you are creating a microclimate that will allow you to grow plants that would not survive in other areas of your yard.Continue to 4 of 13 below.
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A Borrowed Hillside View
A hillside can become part of your landscape even if it tapers off into the distance. These homeowners live near a wooded lot that slopes down toward their yard and house. They limbed up the trees, to create a clearer view, and underplanted with true woodland plants such as maidenhair ferns (Adiantum) and mayapples, as well as tough workhorses like hostas and foamflower (Tiarella). The effect is almost a fairytale setting that sets the house as a destination.Continue to 5 of 13 below.
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Taming a Hillside in Small Bites
When the angle of the slope is extreme, stairs are a necessity. However, you do not have to landscape the entire hillside–at least not all at once. Take advantage of the area closest to your living area and create manageable planting boxes. At the lower levels, this can often be done without extra equipment and the boxes are not just easy to work in, they create a garden room for relaxing and entertaining.Continue to 6 of 13 below.
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A Natural Hillside Rock Garden
Part of the challenge of landscaping a hillside is getting the plants established before they wash down the slope. Plants need water to become established and watering a barren slope is an invitation for runoff. If you are not going to be terracing the hillside and creating flat areas for planting, adding large rocks and boulders is a good alternative way to anchor the soil while the plants take hold.
This gardener managed to make his hillside rock garden look natural by allowing the rocks to tumble and land where they may. As the plants fill in, it looks as though the whole garden evolved on its own. There is some weeding and maintenance involved in the early years, but it becomes less as the plants spread out.Continue to 7 of 13 below.
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Gardening a Roadside Slope
It's lovely to have a house that is situated on a hill, overlooking the landscape, but that sometimes means your yard slopes down to the road. This gives you the effect of a hell strip in your front yard. As with any other slope, you need tough plants that won't require a lot of grooming. Shrubs and evergreen are ideal for this situation. Since you don't want to completely obscure the view at the side of the road, fill in the front section with lower growing perennials that will not need frequent division, such as hosta and ferns.Continue to 8 of 13 below.
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Creating Alpine Hillside Garden
If your hillside is basically scree, consider yourself lucky. You can create a unique alpine garden that will draw the eye upward. Follow this gardener's lead and use the existing rocks, but reposition them. Larger slabs are used as steps and platforms. She also makes liberal use of hypertufa, which blends in beautifully with the natural stone. Finally, pea gravel is used as a mulch, to prevent runoff and create a unifying color palette.
Large evergreens give the planting weight and self-sowing perennials, like corydalis, are allowed to fill in where they will and soften the rocky ledge.Continue to 9 of 13 below.
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Turning a Hillside Into a Garden Walk
Terracing the walkway while leaving the planting area elevated gives the effect of encompassing passersby in the flowers. In lieu of steps, these homeowners have chosen to lay stepping stones with just enough traction to keep walkers steady.
The exuberant perennials along the walkway are given even more level changes by using containers and pot stands on the lower levels, which create focal points for the journey down. And drivers passing by on the road get a full view of the hillside garden, rather than only the front few plants a flat garden would afford them.Continue to 10 of 13 below.
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Terracing a Hillside Vegetable Garden
A hillside can be a blessing for a vegetable garden, especially a south-facing slope. Each terraced row will be on its own level and get direct sunlight, without being shaded by the row in front of it. It can be a challenge to get supplies and water to the area. You would be wise to consider drip-irrigation and pathways between the vegetable rows are a must. This gardener took advantage of the elevated ground along the trellised side by planting flowers that will be at eye level, as he walks down the path.Continue to 11 of 13 below.
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A Four-Season Hillside Garden
When you have a hillside that frames a view of your house, you want it to remain attractive year-round. Colorful shrubs are the perfect answer. Not only do they have four seasons of interest, they require minimal, if any, maintenance. A little pruning in the spring and your hillside should look good for the rest of the year. And shrubs are excellent for controlling erosion. Summersweet (Clethra alnifolia), California Lilac (Ceanothus), and prostrate rosemary make good choices.Continue to 12 of 13 below.
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Covering Ground on a Hillside
For a gentle slope or berm that connects a wooded area with your open lawn, create a smooth transition with groundcovers that naturalize and create a colorful carpet. The soil will drain quickly on a berm, so treat it like a rock garden and use plants such as creeping phlox, alpines, perennial geraniums, and tiny bellflowers.
Using flowers in white and soft pastels will keep the cool feel of the woodland. You can extend the color past the spring bloomers with white and yellow variegated foliage.Continue to 13 of 13 below.
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Low-Maintenance Plants for a Hillside Garden
Runoff is one of the biggest challenges with hillside gardens and even more so when the slope runs off into the driveway, where soil can settle. Choose plants that will anchor the hillside, such as shrubs, ornamental grasses and prairie plants like coneflower, that form a mat of roots. All of these plants hold the ground in place and require minimal maintenance during the growing season. They can even be left standing for winter interest.
With a little thought when choosing your plants, any hillside or slope can become a focal point in your yard.