Can Daylilies be invasive?
There is one somewhat invasive daylily. Below is a comment from a customer. Q:”A few years ago, I bought a house that had nice borders of daylilies planted in the back yard. Since my arrival, they have aggressively spread everywhere–the neighbor’s yard, between patio stones, into my vegetable patch, you name it. I’ve tried digging them up but they just keep coming. Any ideas on how to control this invasion?” A: What you describe as an invasive daylily could only be the “Roadside Orange” daylily, a species named Hemerocallis fulva. It has a spreading stoloniferous habit that makes it so ubiquitous. Any running root left with a crown has the potential to grow a new plant. All other daylilies have a clumping habit and do not travel. As for removal, digging them up is one way, but it means work. We are organic growers and do not use herbicide, but a systemic spray like Round-up would probably do the trick. If you want to keep some of them (like in the borders you had) use barriers in the
