Anyone know what grass or weed this is and how I can get rid of it, without killing the Sir Walter? It looks different to pics of onion weed I've googled.
It started appearing a month ago in my empty garden beds and the lawn. It's appeared in many gardens/lawns in my area. Roundup seems to have little effect on it. I can dig it out of my garden beds easily enough as they are a sandy soil and currently empty, BUT it's impossible to dig out of the lawn as the nut/seed is up to 30 cm down and just breaks off when I try to dig and pull it through the lawn.
http://i562.photobucket.com/albums/ss69/sierra_099/IMG_1989.jpg
http://i562.photobucket.com/albums/ss69/sierra_099/IMG_1990.jpg