En EspaŅol

Q. Who is Mr. Smarty Plants?

A: There are those who suspect Wildflower Center volunteers are the culpable and capable culprits. Yet, others think staff members play some, albeit small, role. You can torture us with your plant questions, but we will never reveal the Green Guru's secret identity.

Help us grow by giving to the Plant Database Fund or by becoming a member

Did you know you can access the Native Plant Information Network with your web-enabled smartphone?

Share

Ask Mr. Smarty Plants

Ask Mr. Smarty Plants is a free service provided by the staff and volunteers at the Lady Bird Johnson Wildflower Center.

Search Smarty Plants
    
 
See a list of all Smarty Plants questions
Can't find the answer in our existing FAQs, submit a question to Mr. Smarty Plants.
Need help with plant identification, visit the plant identification page.
 
rate this answer
Not Yet Rated

Monday - March 26, 2012

From: Charlottesville, VA
Region: Mid-Atlantic
Topic: Rain Gardens, Erosion Control
Title: Riverbank retention in VA
Answered by: Anne Bossart

QUESTION:

I need some groundcover/bank retention for a Virginia riverbank in mixed sun and shade. I want to plant something native to VA. the area is out of the water but subject to occasional (4-5 times per year) flooding. Rocky,sandy soil. When it floods it sometimes leaves sand, but more often removes it, which is why I want to plant something to retain the soil and help prevent erosion. Thank you very much.

ANSWER:

The best plants to stabilize a bank and prevent erosion are plants like grasses that have fibrous root systems and shrubs and perennials that spread with runners to form thickets.

You can find suitable plants by doing a Combination Search on our Native Plant database.  Select Virginia, the plant habit and your conditions (part shade).  It sounds like the soil is quite dry except when it floods, so select dry conditions.  The list that is generated has links to detailed information pages for each plant.  You can then check which plants are adaptable enough to tolerate the wet conditions of flooding as well.

As your conditions are very much like those in a rain garden, you will find a very informative article the Brooklyn Botanic Garden has published about rain gardens as well as a plant list , helpful. You can cross reference between the lists you generate and those on their list.

Here are a few plants to consider:

Rhus aromatica (Fragrant sumac)

Amorpha fruticosa (Indigo bush)

Grasses with deep fibrous roots:

Andropogon gerardii (Big bluestem)

Andropogon glomeratus (Bushy bluestem)

Bouteloua curtipendula (Sideoats grama)

Schizachyrium scoparium (Little bluestem)

Sorghastrum nutans (Indiangrass)

 

 

 

From the Image Gallery


Indigo bush
Amorpha fruticosa

Fragrant sumac
Rhus aromatica

Big bluestem
Andropogon gerardii

Bushy bluestem
Andropogon glomeratus

Sideoats grama
Bouteloua curtipendula

Little bluestem
Schizachyrium scoparium

Indiangrass
Sorghastrum nutans

More Erosion Control Questions

Erosion tolerant plants for shade from Kerrville TX
August 06, 2013 - We have just cleared a lot of cedar out of a small draw and would like to know the best groundcovers, shrubs, etc. to plant to hold the soil. Deep shade most of the day.
view the full question and answer

Low-growing plants for steep bank to prevent erosion
March 24, 2010 - We recently bought a house (6 months ago) in Memphis, TN that backs up to a concrete drainage ditch. There is a fairly steep, mostly shaded bank that leads from the flat section of the back yard to th...
view the full question and answer

Native grass and/or wildflower seed mix for erosion control in North Carolina
June 23, 2009 - I'm looking for a native grass and/or wildflower seed mix to control erosion on a new mountain road in a pine forest (red clay dirt). The soil is dry and partly shaded, depending on the hour of the d...
view the full question and answer

Groundcover for Sunny Slope in CT
May 11, 2013 - I need a plant to use as groundcover and for erosion control on a sunny slope in southwestern Connecticut. Any suggestions other than juniper?
view the full question and answer

Slope Erosion control for Fairview NC
August 19, 2012 - Please recommend plants to help with soil erosion on a slope. The soil is red clay and area gets full sun. The slope is approximately 12' x 12'. I live in Fairview, NC
view the full question and answer

Smarty Plants's Facebook profile Support the Wildflower Center by Donating Online or Becoming a Member today.

Mr. Smarty Plants wants you to be his Facebook friend. Click the Facebook icon to add yourself to Mr. Smarty Plants list of friends.
E-NEWSLETTER | BECOME A MEMBER | DONATE NOW | MEDIA | SITEMAP
© 2014 Lady Bird Johnson Wildflower Center