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Hold That Hill: Top Plant Choices for Slope Stabilization



Does your backyard hillside resemble a miniature ski slope after a heavy rain? You're not alone. Erosion on slopes is a common problem, but there's a beautiful and natural solution: plants!  The right vegetation can act like a living retaining wall, anchoring the soil with their roots and slowing down water runoff.


Here are some top plant choices to consider for your slope stabilization project:


Groundcover Champions:

  • Gro-low Sumac (Rhus aromatica): This fast-growing champion thrives in tough conditions and boasts a dense network of roots that grip the soil. Plus, it offers vibrant fall foliage as a bonus!

  • Creeping Phlox (Phlox subulata): A low-maintenance flowering choice, creeping phlox forms a dense mat with shallow roots that effectively bind the soil.

  • Big Blue Lilyturf (Liriope muscari): This evergreen option forms attractive clumps with deep roots, perfect for holding soil in place.

  • Mondo Grass (Ophiopogon japonicus): Low-growing and shade-tolerant, mondo grass is a versatile choice for slopes with less sun exposure.


Shrub Stars:

  • Rockspray Cotoneaster (Cotoneaster horizontalis): This low-growing shrub spreads horizontally, creating a dense network of branches that root where they touch the soil, effectively anchoring the slope.

  • Wintercreeper Euonymus (Euonymus fortunei):  Another spreading shrub, wintercreeper euonymus offers year-round interest with its evergreen foliage and attractive berries.


Considerations for Choosing Your Slope Squad:

  • Sun Exposure:  Different plants thrive in different light conditions. Consider the amount of sun your slope receives when making your selections.

  • Soil Type:  Sandy or clay? Knowing your soil composition will help you choose plants that are well-adapted.

  • Maintenance Needs:  How much time and effort can you dedicate to upkeep? Some plants require minimal care, while others may benefit from occasional trimming.


Bonus Tip:  Combine different plant types for a multi-layered approach to soil retention. Deep-rooted shrubs can provide initial structure, while groundcovers fill in the gaps and create a living blanket to prevent erosion.


By strategically planting these soil-saving stars, you can transform your slope from an erosion hazard into a thriving and beautiful part of your landscape. Remember, consulting with a local nursery or landscaping professional can provide valuable advice on the best plant choices for your specific needs and climate zone. Happy planting!


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