From:San Marcos, TX Region: Southwest Topic: Invasive Plants Title: How to tell the difference between native and European thistles Answered by: Nan Hampton
How can I tell the difference between invasive (European) thistles and thistles that are native to Texas? And what is the best way to eradicate the invasive varieties?
According to the USDA Plants Database there are six different genera of plants that occur in Texas that have species with 'thistle' as part of their common name. Some of the species in those genera are native and others aren't. All of them, even those that are native, have been listed by at least one state as noxious. They are:
Non-native Royal Empress tree with only green leaves from Chambersburg PA July 12, 2013 - I have 3 Royal Empress trees in my yard that are between 2-4 yrs old and have never been any color other then big Green leaves. Do you know when they will turn Purple? view the full question and answer
Need suggestions for replacing invasive privet in the Dallas area. April 20, 2011 - We are removing invasive privet at a project. We will need to substitute native plants and would like to know how to find out which plants should be used. We are in the Dallas area. Thank you. view the full question and answer
How Can I Tell an Invasive Thistle from a Native May 01, 2012 - Mr Smarty Plants,
I have some thistles coming up in my yard. I'd like to keep them if they are native, but not if they are invasive or non-native. How can I tell? My yard is a wild area in West Lak... view the full question and answer
Sheet mulching before planting Habiturf from Grand Prairie, TX March 03, 2014 - Have you tried sheet mulching as a bed prep and to kill bermuda grass before planting habituff? view the full question and answer