Sorry, linnea, the only way is persistence: continually digging them up as soon as they pop up. While some areas I have successfully eradicated them, there is one area where I dare not dig too much because of a rhododendron plant's roots and have been fighting for 20 years.

I , like the others think the only way is persistence . I don't like herbicides but that being said I don't even think Roundup would work on Fulva . I have dug up 3 such gardens this summer. I used fulva as a filler when I started collecting daylilies and oh boy was that a mistake . The one garden in particular was just overrun with fulva. . The fulva had killed off any other plants including other daylilies .

The problem is the fulvas are stoloniferous so if you don't get all the thick orange runner roots out , they are baaaack! It might take a few years but they definitely will be back . Even 1/2 inch pieces ! I also grow Salmon Pagoda . Same thing . This summer I also found Kwanza had reared its not so ugly head in spots where I had removed them several years ago . I just mark them as they bloom and once bloomed out I dig and remove . Best thing is to plant them where you know you don't mind if they spread , and spread they definitely will . Wish I had known that when I started with daylilies .

Signet, that sure is the truth. We had a fan appear a short distance from Tidewater Elf. We wondered what it was since Tidewater Elf didn't appear to have stolons. We thought it might be a seedling that sprouted in that bed. Nope! It was Kwanso, which hadn't been planted in that bed in years.

I have had more success with using a pitchfork to dig them up, as most of the roots will come along with the parent plant. whereas a spade will leave you with little pieces of root left behind. Lord, this plant is worse than cockroaches.

I don't like using chemicals, but some things call for it. I dug vulvar out of a bed several years ago. When I find a new one I cut it back and apply a few drops of undiluted Roundup. Seemed to work, but I had one bloom this year after at least 3 years of none.

lisanti, I do use a pitchfork. Use it for most digging up. Especially hostas. Takes less force than a spade. So satisfying to pop a plant out and see the roots coming along intact!

At least with what I will be planting in this bed, the daylilies popping up will be easy to spot.

They are the worst! I’m sad to read

that the ones I dug out a couple years ago could still come back. None of them had popped up this summer so I hoped they were gone for good. I dug out more this summer and probably didn’t do as good a job. It was a pretty large area of them and the the roots went out pretty far and deep.

Ohhh yeah. We call them ditch lollies and they are invasive. Former house owner thought it was a good idea to plant all over the back yard. My first spring I was horrified. Called in the landscaping company. Didn't see them for several years and now they appear in random spots. I leave to the mower. Ditch lllies 3. Mz dee 0

You know, I had a row of these in a border for years. I liked them, they didn't seem to spread. However, one Fall I got lazy and instead of cutting them back I took the lawn mower and mowed them to the ground. Ever since then, and it's been I don't know how many years but a lot, they grow to about 8" and have never bloomed again. Plus I never cut them back anymore. They don't die. They just sit there.

Wow, I used to mow mine every fall to clean them up. They never failed to bloom, and spread like crazy. Maybe difference in zone or soil.

wondering if there is too much shade . I also mow my ditch lilies and they have never failed to bloom . Wondering if what you have really is H. Fulva Europa, Perhaps it is another cultivar that is not stoloniferous. Could also be that they need dividing . Daylilies can stop blooming if they are too crowded

As a kid we had a yard full of orange daylilies, singles and doubles. They were never divided. They still bloomed like crazy. If you dug any up there was a mass of root with no dirt; they didn't care. Still bloomed and thrived. In the shade, they don't bloom or not much, depending on the amount of shade, but continue to live. I wish today's cultivers were as hardy--though not so invasive.

We had some in the front that had not been allowed to grow for probably 20 years; always mowed with the grass all summer. They dwindled but still lived.

I agree with Brad, Fulva Europa here has never needed dividing which is why I am thinking it may be another cultivar. I do grow one here that is so very similar but is not Europa . Looks very much like Europa .

Hard labor and persistence. You had better luck than I did, Brad...they spread like a virus here.

kay