Rent Shop Volunteer Join

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

Please forgive us, but Mr. Smarty Plants has been overwhelmed by a flood of mail and must take a break for awhile to catch up. We hope to be accepting new questions again soon. Thank you!

Need help with plant identification, visit the plant identification page.

 
rate this answer
Not Yet Rated

Tuesday - April 24, 2012

From: Yorba Linda, CA
Region: California
Topic: Invasive Plants, Non-Natives, Compost and Mulch, Shade Tolerant, Grasses or Grass-like, Herbs/Forbs
Title: Replacement for grass under non-native weeping willow from Yorba Linda CA
Answered by: Barbara Medford

QUESTION:

What would be a good replacement for the grass currently growing under a weeping willow? Something requiring low maintenance, the problem is with mowing over and around the roots.

ANSWER:

Actually, our first suggestion would be to get in your Time Machine and go back to the time when you planted that tree, and then don't do it! Here is a previous Mr. Smarty Plants answer to the same question.

The simple fact is that the willow is aggressive, invasive and non-native. That means it very nicely discourages or destroys any plant seeking to compete for space and resources. The Lady Bird Johnson Wildflower Center is dedicated to the growth, propagation and protection of plants native not only to North America but to the area in which the plant is being grown. The weeping willow originated in China.

But, if your Time Machine is not working, we know a spot where you can get all kinds of information and/or plants that fit your need. You need to decide ahead of time how much shade the plants will have to tolerate, under that tree.

You (or we) are in real luck because the Las Pilitas Nursery has a website on some of the California native plants that can be used as less than a foot high ground covers. We believe that the Escondido store would be the nearest to you in Orange County. They have contact information and directions on the webpage.

We have one other suggestion for that under-tree space. A good quality shredded bark mulch will cover the roots, help to protect the roots from heat or cold, prevent evaporation of moisture, is attractive and smells good. As it decomposes, it will go into the dirt under the tree, improving drainage and making nutrients in the soil more accessible to the roots. About every 6 months it will probably need to be replenished, but it will never need mowing.

 

More Compost and Mulch Questions

Ground cover under trees from Austin
November 03, 2012 - I need ground cover plants that can tolerate leaf litter and grow under oak tree shade.
view the full question and answer

Mulching tree root in San Angelo, TX
April 02, 2014 - San Angelo, Texas is in a drought stage. Will it help our trees to mulch the base of them?
view the full question and answer

Dirt at tree base from Austin
November 03, 2012 - Hello, I recently bought a home in Austin with a live oak tree which is about eight years old. The previous owner did exactly what all the experts say NOT to do, which was to mound dirt right up agai...
view the full question and answer

Flowering vine for trellis behind fountain in Anaheim Hills CA
June 05, 2010 - We are looking for a flowering vine to plant on a trellis surrounding a water fountain. The fountain splashes leaving the soil constantly wet. We have tried numerous vines, but they all die due to t...
view the full question and answer

Eastern redcedar uprooted by snow in Arlington, TX
February 14, 2010 - During the recent snowstorm one of our juniperus virginiana fell over with the rootball looking intact and with a lot of soil all around it.Should we try to save it? It is approximately 20 feet tall ...
view the full question and answer

Support the Wildflower Center by Donating Online or Becoming a Member today.