One method that seems to work is to dig up the entire lawn to a depth of 3 inches and remove every piece of root. Apparently that stuff forms a dense web or roots underground. Wait? That wasn't what you wanted to hear was it? Seriously, that method has been reported here and elsewhere over the years as being a last resort after all else has failed. I don't know what speed zone is but if it is not glyphosphate, then you might try Round Up. You are going to have to dedicate your existence to getting rid of it. Forget about trying to manage grass at the same time. This is a war to get your soil back. Once you have it back then you can worry about the grass.

Much to my dismay, the lilies I received from a friend turned out to be ditch lilies. Those suckers are everyWHERE! I'm getting out roundup. I can't believe it! ARRRRUUUGH. I have decided where to grow gooseneck loosestrife and I am willing to put up with it to keep it in check. Problem is, there are two areas I need to eradicate it from and that's not going to be easy. PLUS, I have a ton of dandelions and henbit this year - worse than last year. I'm out there spraying and pulling.

I have dandelions and ground ivy weeds on my lawn. I've been advised to use a broadleaf weed killer. Is there a certain time of year, such as the Fall, when it's best to use the weed killer? Is there something I can do now (currently it's March)? I also had a few questions about weed killers in general: 1- Will it destroy the weeds at the root? 2- Will it harm my grass? 3- Is it dangerous to pets? 4- Is digging up dandelions at the root the most effective way to rid them for good? Thanks in advanced! :)

Agree. Sometimes you have to go beyond what the organic approaches can do for you. I will take this forum over all the YouTube lawn care folks. This forum is well over 20 years old with people like me and a few others with long memories of what has worked and not. The YouTube guys seem to be doing their own thing completely without guidance or critique. Basically they're doing what their pappy taught them and calling it the Truth. Speaking of memory, there was a guy here a long time ago who did eradicate creeping Charlie by digging it out. He started in one corner and went as far as he could go. The next week he started IN THE SAME CORNER to get the stuff that had already regrown. He got a lot farther the second time. The third week he started IN THE SAME CORNER as before. It is that type of patience and persistence that it takes to eradicate the weed. Spraying it out may take similar persistence, but wait 3 weeks between applications to see the results. If the spray does not kill the seeds (most sprays don't), then prepare to repeat the spray either later in the season or next season.