The TP-49 is a much-used container here, mostly for cycad, Crinum and palm tree seedlings, and they conveniently fit 9 to a milk crate. I've bloomed a few daylily seedlings in them too, but I don't have a lot of confidence that I'm seeing more than about 50% of what the plant can show me. At the top of my list is Stuewe's TP815R, which is a round 8" container 15" tall. I like to use these for selections and named cultivars because they save a lot of space over 5-gallon containers. My favorite seedling container is the TP616, an oversized TP-49 at 6" diameter, 16" tall, and very space-efficient because of the square shape. Seedlings in either of these show representative petal width, branching and rebloom. The problem with the TP616 and TP-49 is that they tend to fall over unless secured, while the TP815R has a wider base and stands on its own very well.
When repotting stubborn, root-bound plants from the TP-49, I soak them overnight in a 5-gallon bucket, then lay them flat and lightly mash them with my foot, which usually either breaks them loose or splits the pot, but I've never done that to a plant with a scape. That might be a two-person operation. If your pods are well-along, the plants will probably accept 25% root damage without dropping the pods. I've broken scapes off which held pods at around 3/4 development and have had the scape mature the seeds if kept in bright, open shade in a bottle of water. The pots are pretty cheap, so cutting them isn't the end of the world either. Daylilies can pull themselves down quite a bit, so once it's out of the pot and the crown is exposed, the root ball might only be 6-7" tall, and it's usually easy to compress and twist the root ball down to where it fits conveniently in a #2 container with plenty of new mix in the bottom.
