Shame on them! They should have known better than to kill perennials. They should have asked her if she wanted to move them. If you didn't already try and wash it off it is probably too late to do anything. Good luck.

Don't know your region, but 3 years ago our 20,000 sf lawn of mostly KBG, in southern New England, was infested with ground ivy - or Creeping Charlie. After some research I found that WBG was the best remedy. I followed the label directions and applied with an Ortho Dial'N Spray applicator. If I recall correctly, the mix ratio is 2 oz. per gallon per 500 sf. I bought the gallon concentrate and broadcasted the application in divided quadrants of 5,000 sf. The best time to apply is when the weeds are flowering, or as was my situation, just about now. I must say, it did the trick and killed about 85-90% of all the weeds, even clover. Problem with ground ivy though, is it comes back. I've noticed it's spreading again but have been reluctant to reapply the chemicals, due to our large organic vegetable gardens, located in the middle of the rear lawn. I'm sure other, more knowledgeable posters, will provide better feedback, but in my experience it did work - by following label directions.

Weeds should be sprayed when they have big leaves. Mowing sort of chops those off. You are only spraying the leaves anyway so when there are no leaves, it goes straight to the soil and does no good. Wait for Grubex until you have grubs. Do you have a lot of June bugs on your porch light? If not then you likely won't have any grubs. If you do have the June bugs, then wait several weeks and start digging in the soil. If you cannot find a square foot of soil with more than a dozen grubs, then you don't have a problem. Your lawn should be able to handle a certain amount of grub activity.

It's as good as anything available. Follow instructions and apply twice. A pre-emergent in spring can drastically reduce CG next year.