From a pup, I was weaned on a mishmash of common and scientific plant names, and while I can hardly claim proficiency in either, probably I'm less comfortable with the common forms. While others say andromeda, I think Pieris (japonica or floribunda), and when writing, my leash must be yanked a time or two so I don't stray too far from more familiar plant names. I think Edgeworthia chrysantha, but must write paperbush.
There should be no argument. The gardener is advised to have a plan before visiting the garden center, to go in with a list, if not of specifics, at least one that broadly defines his needs. Perhaps it is enough to think "I need a flowering tree" or "a Japanese maple", or "a screening evergreen", and then see what best fills this need when you visit.
Following a chilly week in March when temperatures regularly dropped into the teens, damage to flowers and emerging leaves was expected. The gardener's question was, how much damage, and would injury to new leaves do harm as a late freeze stunted mophead hydrangea growth a year ago?