Ah, but the person who DID it might be thinking of old fulva, which, when the runners/rhyzomes/roots break off can produce another plant. Sometimes years later. Which is why a new planting of hybrid daylilies can sometimes have what looks like a reversion back to the old orange one.
Ask me how I know!
OK, I'll tell you. I have a bunch of old fulva that can never be completely grubbed out since it is also interplanted with another old trumpet vine (actually 2 close together and a hundred years old). Along with compost and good watering, one runner ended up in the middle of the new hybrid plantings. Ooh, I thought as it was growing. Tall. Well branched. Lotsa buds. What the heck did I plant there that I forgot about? You guessed it. It was fulva.
Now I always watch for a paler green single plant stuck in the bed somewhere, early spring. The color of the leaves IS different. And I yank it out. My other clue is, that bed, the Tapestry Garden on the website, and Facebook, only has clumps planted in it. I grow a daylily elsewhere when young and only put it in a heavily planted cottage garden once it has a clump.
New hybrids need part of the crown to grow a new plant.
