Quack grass and bermuda are the bain of gardners. Burning it off will slow it down but will not kill whats under the ground and it will come up a better growth that befor it was burned. Diggin it out will keep it at bay but if you do not stay after it it will come back. This stuff will even find its way into raised beds. There is no way to easely get rid of this stuff nor permently get rid of it either. Gardening is work its how you are able to cope with it that counts. I would dig it out burry a barrier arround the edge of the garden then attempt to keep the roots on the outside of this berrier. Mulching the pathways between raised beds makes it easier to pull the grass if it get over or under this barrier. If you keep after it you can have a neat garden alos plant very intensively don't give the weeds and grass to much space to grow in. We do all the above in our fight against bermuda grass. we also use a t orch on the outside of our barrier this works better than a weedeater that tends to throw grass over the barrier and into the mulch that then tends to root itself. Using raised beds help too

There was a big nasty patch of forsythia and multiflora rose here. We cut it to the ground and started mowing and just kept mowing. After about five years it is tame and dead and we're planting grass. Would have been faster with Roundup. There was some good stuff under that tangle though - jack in the pulpit seedlings and a little redbud tree.

Nice. That should work just fine. Here, the problem would be the trench filling in with soil every time it rains heavily. Even though, I still wish I would have done that instead of installing rhizome barriers I bought from a bamboo seller. It has been a big problem containing it, since it has all escaped through the barrier. Kt

Dear BT33 Thank you very much for your inquiry. I suggest you buy a product called Acclaim extra (fenoxaprop-ethyl). It will take out crabgrass easily, and with repeat applications 2-3 weeks apart will knockout the bermudagrass. You will need to go to a turf specialty/supply store (like Lesco) to get this product, I believe. Seeds and stems do travel via vehicles and water. There is little to do to prevent it. It has been happening in nature since the beginning. Again, thanks for the question and let me know if you have more. Respectfully Trey Rogers, The Briggs & Stratton Yard Doctor, YardDoctor.com