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Thursday - March 31, 2011

From: Crestwood, KY
Region: Mid-Atlantic
Topic: Erosion Control, Wildflowers
Title: Stabilizing a steep slope in KY
Answered by: Anne Bossart

QUESTION:

We are building a new home and have a very steep hill behind the home. Our highlift operator just cleared it off - I would say about 15 to 20 feet in height and at least 150 feet in length. What would you suggest that we put on the hill to stop erosion. I am not even sure that rip-rap would hold as the slope is so steep. Also, our whole yard - about 3-4 acres of very poor soil. Any suggestions as to how we can improve it just to get grass to grow - not to mention any plants.

ANSWER:

I am afraid that your situation is well beyond the scope of the advice Mr. Smarty Plants can offer.

It is very unfortunate that builders feel the need to strip all the vegetation from a perfectly good piece of land  before they start construction.  During the construction process they drive their construction vehicles all over it so that whatever soil doesn't disappear through wind or water erosion is compacted so severely that no earthworm, drop of rain nor the roots of a blade of grass can penetrate it.

You will learn a lot about bringing your land back to life if you visit the website Landscape for Life - based on the principles of the Sustainable Sites Initiative.  The Landscape for Life program is designed for home gardens and will give you plenty of inspiration as you embark on this daunting process.

You will need to consult with a landscaper about how to stabilize the slope behind your home.  In general grasses (native ornamental grasses, not turf grasses that need to be mowed) are best for stabilizing a slope because they have very fibrous root systems.  Many wildflowers native to the prairie do as well.  Shrubs that spread by runners are also good candidates for the job.

You can begin your search for plants by visiting our Native Plant Database. If you do a Combination Search selecting Kentucky and grasses as the plant type and then the soil and light conditions of your site it will generate a list of grasses native to Kentucky.  You can repeat the search for wildflowers (herbaceous plants) and shrubs.  Each plant name on the list is linked to a detailed information page.

You are not the first person who has been faced with this challenge.  You can read the answers to questions other people have submitted from other parts of the country by searching Mr. Smarty Plants previous answers.  You can search by region, topic or keyword (erosion, stabilize a slope, etc). 

 

 

More Erosion Control Questions

Native plants for erosion control in South Dakota
December 04, 2008 - Dear Mr. Smarty Plants: I live in the Black Hills of South Dakota at about 5000 feet ASL. My house is on a steep hill. I had to clear a perimeter around my house of all the pine trees for fire supp...
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Restoring a slope in the Mississippi sandhill region
August 01, 2011 - We are building on 5 acres (leaving 60% as is, natural). Only building a small (900-1200 sq ft house) & clearing 1 acre of the valley for a pond. There is a steep slope (where we had to put field dra...
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Plants for a steep bank in Virginia
June 23, 2009 - I have a small yard with a 3 foot steep bank that I want to plant on. I am looking for fast growing ground cover. There is some shade but not a lot and has a southern exposure. Ground is a bit roug...
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North Dakota Riverbank Stabilization
July 17, 2012 - Can you suggest plants to prevent and stabilize river bank erosion on Sheyenne River, ND? Must be tolerant to cold, varying level of salts and sulfates and water level (from drought to flooding)
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Plantings for a slope from New Carrollton MD
June 27, 2012 - My house (Maryland, near DC) sits at the bottom of a south facing slope. The soil is very heavy clay. The grade is about 1:20 for about 100 feet (with a steeper part at the top). Part of the hill is i...
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