Maybe it's couch grass or something else. Long stringy, breaks off at the next segment down when you pull on it, grows long tendrils above ground and underground grows through roots of other plants before killing them. We're renting and I noticed it a while back. Talked to the real estate and told them it was going to kill a garden bed. The stuff grows a lot underground and incredibly hard to get out. No response from the agent. Then it did exactly what I said it would - it killed a few plants by tangling through the roots. I can snap off the weed at ground level but it requires serious digging to get it out of the roots. Then comes last week and real estate agents blasts me saying it's my responsibility to weed the garden... to which I agree, however I disagree that it's my responsibility to dig down into the earth and untangle a weed from the roots. I spoke to the owner later and discovered that before we moved in that he and his wife had spent a few hours snapping off the weeds at ground level... so it looked like there were no weeds but of course they were all still there. Anyway, wondering where I stand on this? We're moving in a few months and I know they're going to try to take the bond for "garden bed repair" or something like that. My feeling is that this is like a tree root growing underground and cracking the house or killing another plant - outside my responsibilities as a tenant. What do you think?