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
8 ratings

Monday - September 29, 2008

From: Phoenix, AZ
Region: Southwest
Topic: Erosion Control
Title: Plants for erosion control in arid region
Answered by: Nan Hampton

QUESTION:

In semi arid south west (Phoenix), the drainage is managed by creating incised channels. Typically, the dirt channel can erode with even very low velocities of moving water. To reduce erosion therefore vegetation needs to be established. This is difficult due to lack of adequate and consistent rain runoff. Any suggestion on what kind of vegetation ( ground cover, grass etc) could be used so that gradually it establishes (with minimum infrequent rain) a strong root structure causing a stable environment for handling rain runoff.

ANSWER:

Grasses would be your best bet for erosion control since their extensive fibrous root systems do a good job of holding the soil.  Here is a list of grasses that are native to Arizona and will withstand dry conditions.  To get them established you may have to do some minimal watering at first, but then they should be able to handle dry conditions and hold the soil when it rains.

Achnatherum hymenoides (Indian ricegrass)

Aristida purpurea (purple threeawn)

Bouteloua eriopoda (black grama)

Bouteloua gracilis (blue grama)

Bouteloua hirsuta (hairy grama)

Eragrostis intermedia (plains lovegrass)

Dasyochloa pulchella (low woollygrass)

Hilaria belangeri var. belangeri (curly-mesquite)

Muhlenbergia emersleyi (bullgrass)

Sporobolus airoides (alkali sacaton)

Here are some suggestions for low growing shrubs that would also do well in the area.  You will note that some are specifically suggested for erosion control.

Artemisia frigida (prairie sagewort)

Calliandra eriophylla (fairyduster)

Krascheninnikovia lanata (winterfat)

Melampodium leucanthum (plains blackfoot)

Zinnia grandiflora (Rocky Mountain zinnia)

Fallugia paradoxa (Apache plume)

If you would like to see more native plants that are commercially available for Arizona, visit our Recommended Species page and select Arizona from the map there.


Achnatherum hymenoides

Bouteloua eriopoda

Dasyochloa pulchella

Sporobolus airoides

Artemisia frigida

Calliandra eriophylla

Krascheninnikovia lanata

Melampodium leucanthum

Zinnia grandiflora

Fallugia paradoxa

 

 

More Erosion Control Questions

Deer Resistance and Erosion Control for St. Louis County MO
January 03, 2014 - I am looking for deer and rabbit resistant native plants for erosion control on a steep ravine slope with part sun and part shade in St. Louis County MO.
view the full question and answer

Plants for slopes in South Texas
October 05, 2009 - Can you provide a list of plants for use on slopes in S. Texas?
view the full question and answer

Landscaping on South Padre Island
June 07, 2008 - I'm in charge of landscaping at my beachfront condo in South Padre Island and find the wind, salt air, and heat challenging for growing almost anything. We would like to incorporate native plants, b...
view the full question and answer

Plants for erosion control in IL
April 21, 2011 - Steep 40ft slope in rural Illinois with Sandy soil. Recently several trees slid down this slope due to wet conditions. We need any inexpensive plants to hold the hillside in check before erosion creep...
view the full question and answer

Erosion control for shady slope in Kentucky backyard
August 28, 2013 - I live in northern Kentucky (near Cincinnati). I have an area in my backyard that has slope. It is next to an ash tree and is very shady. Water erosion has washed away the top soil and pretty much no...
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