I'd so get a 'Kogetsu' and a 'Komei'. Then, if you care for large flowers and you want the very best large flower cultivar, I'd get 'Juko' and 'Haru no Sono'. If you want something small and plain that is hardier and for bonsai/foliage specifically, I'd get two of these: 'Kozan/Kinsai/Chizen/Kazan/Korin'. Those are the big name cultivar that are extremely popular. Some of those others, I don't recognize by name. And if you are in zone 5 and buying this for a 5 year bonsai challenge I wouldn't get the large bloom pre-bonsai era maruba-type cultivar like Aikoku/Eikan/Shinnyo-no-Tsuki/Gyoten/Kagetsu, unless you feel like collecting and you got several. (Granted, Juko and Haru no Sono fit that description too, but they are just too lovely to not buy. Those that I just mentioned are kind of obselete/old fashioned a little bit).
But above those, I'd get an 'Aozora' instead from White's Nursery:
Just because I love 'Aozora'/'Hekisui'. And they are in Maryland, so that should be easier for you east coast people. Don't know if their service is any good, obviously.
(And I learned that nurseries are 'Essential businesses' during covid19.)
Hini Crimson and Mother’s Day? Sounds like a Dutch nursery: Moederkesdag. I can't believe that stuff still sells here.