Welcome to Over50sForum! The site for people over 50 to chat, make friends, discuss, share, and generally be part of something that's fun and friendly :)
Should be fine May, this is what it did to my slabs, all clear now.
And this was thick with weeds, just got to wait till that Azalea stops flowering, remove it then line it and put bark chips down..
Good job Roxy. Want to come deweed my place now.
I use salt and vinegar on my driveway but they do grow back every year.
Maybe I’ll try Omah’s concentration