You are very kind with your praise. Thank-you, I am touched.
Unfortunately, I have forgotten the cultivar at the moment.
I do keep all my receipts from plant shopping. I can try and look it up later.
I mostly got dhalias from Breck's
https://www.brecks.com/
and from its sister company here
https://www.dutchbulbs.com/
But, having just-now scrolled through both websites, nothing currently shown in either is ringing any memory bells for me.