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

Thursday - April 25, 2013

From: Manassas, VA
Region: Mid-Atlantic
Topic: Non-Natives, Erosion Control, Herbs/Forbs
Title: Non-native daylilies for steep hill in Manassas VA
Answered by: Barbara Medford

QUESTION:

Would like to plant steep hill w perennial flowering plants like daylily. The daylily farm said this would work great but not sure if we should lay landscaping fabric and poke through holes to plant daylilys or just plant amongst existing grass growth Don't really want to create additional erosion by removing grass/weeds before replanting. I saw your post about planting grasses but I prefer flowers if possible.

ANSWER:

The Lady Bird Johnson Wildflower Center, home of Mr. Smarty Plants, is committed to the growth, protection and propagation of plants native not only to North America but to the area in which those plants grow naturally; in your case, Prince William County, VA. Daylilies, once erroneously placed in the Liliaceae family of plants, now are considered to be in the Hemerocallis family. They are native to Eurasia - China, Japan and Korea - and are therefore out of our line of expertise. From the Univesity of Minnesota Extension Service, here is an article on Growing Daylilies. We understand there are many thousands of cultivars and selections of this plant, perennials which bloom one day, in the nursery trade, but beyond that, we know nothing about them.

However, we can talk about erosion; we don't know specifically which one you read but we have many previous answers on ways to control slopes. We saw a reference to the use of daylilies on a slope to control erosion because the roots reproduced, creating a network of roots which helped to hold soil on a slope, but we can't answer your question about landscaping cloth. Since we have no personal experience with it, we went looking for other information and found this funny article from North Coast Gardening Why I Hate Landscape Cloth. Here is a previous Mr. Smarty Plants answer on controlling erosion which includes further links to still other previous answers in various spots on the East Coast, including one from Virginia. We still prefer grasses with their long fibrous roots for erosion on a slope, but there are not many flowering plants that will have that sort of root.

 

More Non-Natives Questions

New growth on Amur Maple turning black in McPherson, Kansas.
June 29, 2010 - Re: Amur Maple bushes Approximately 2 yrs old, 4 ft tall. New growth at the end of some branches is turning black. Plants are mulched with grass clippings. We live in Kansas. Thanks for any info....
view the full question and answer

Differences between Lantana urticoides and Lantana camara
July 13, 2012 - I have found an orange variety of lantana growning in several location in Jefferson County. Is there any way I can tell for sure if it is L. camara or the native L. urticoides?
view the full question and answer

Plant mistakes from Cedar Park, TX
April 09, 2014 - At our "Wilts End" in Cedar Park, TX. and are looking for a tall shrub/tree that will hide a 6-ft tall concrete wall and muffle the noise from a busy street. The wall forms a very wide-angled V shap...
view the full question and answer

Long-legged bugs eating roses in Richmond VA
May 22, 2011 - There are bugs eating my roses. What can I do? They look like long bugs with a lot of legs.
view the full question and answer

Aggressive Plants in Pleasant Valley NY
September 01, 2014 - Are there any native plants that can out compete Japanese knotweed?
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 | STAFF
© 2015 Lady Bird Johnson Wildflower Center