Ask Mr. Smarty Plants is a free service provided by the staff and volunteers at the Lady Bird Johnson Wildflower Center.
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.
From: Raymore, MO
Region: Midwest
Topic: Septic Systems, Herbs/Forbs
Title: Appropriate plants for septic field from Raymore MO
Answered by: Barbara Medford
We are frequently asked about appropriate plantings over septic fields. Rather than repeat ourselves, we will link you to several of those previous answers from various parts of the country. The gist of those answers is that grasses and herbaceous blooming plants are good, holding soil and moving moisture to the surface. On the other hand, woody plants such as trees and shrubs are not good; their roots will make a beeline for the septic lines and disrupt them
Previous answer No. 2 - which also has a number of other links
Native groundcover plants for septic drain field
July 02, 2004 - I'd like to plant wildflowers over my newly installed septic drain field, but am told they should not have deep root systems. What would you suggest?
view the full question and answer
Can Carolina wild petunia be planted over septic tank in Nokomis FL
July 10, 2011 - Could you tell me the root depth of the Ruellia caroliniensis/ Carolina wild petunia? Trying to determine if I can plant it over septic tank.
view the full question and answer
Bouteloua dactyloides to cover septic field in Texas
June 25, 2007 - I need plants that can be seeded or plugged to cover a septic field at a new home on Lake Travis. What about turffalo? Other suggestions?
view the full question and answer
Plants that will not clog lateral lines with roots
January 25, 2009 - We recently had to replace the lateral lines for our septic tank because wisteria roots had clogged the drainpipes. The machinery tore up our front and side yard,and we are trying to get them back int...
view the full question and answer
Windbreak for Eastern Kansas
July 17, 2011 - I need to plant a fast growing windbreak near my lateral lines for a septic tank. We obviously can't have anything that would interfere with the laterals but I desperately need a North wind break. ...
view the full question and answer
![]() |
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. |