I haven't had good luck with Hollingsworth. I spent over $200 2 years ago and not a single thing from them came up with a bulb this year.
Everything I ordered from Alderman's came up this year, except for tree peonies, they are not up yet, so I'm not expecting much. Same with Solaris, amazingly good. 2 out of 3 came up with flower buds, the third one has not emerged yet.
Gold City is another excellent one, I ordered 3 roots, 2 came up with flower buds, one is emerging so don't know, the free root has no bud though.
Lyndaker is excellent, one of her roots came up with 3 buds, the other 2 are tree peonies and they are not up yet.
I wouldn't order again from Mary's patch garden. I paid more money but the results are not up to expectation.
Oh my peonies is very good.
Lily Garden is surprisingly good, unexpected really.
I ordered a lot from Song Sparrow but only one has a flower bud.