Florists deal with two things at once most sellers don't: orders that are almost always time-sensitive, and a customer who is buying for someone else entirely — meaning the details that matter most (who it's for, where, and by when) live in the buyer's head, not the flowers themselves.
The first is delivery timing picked directly by the customer on the storefront — a same-day order looks different from one placed a week out, and it shouldn't take a follow-up message to find out which this one is.
The second is a gift note and recipient details captured as part of the order itself, so "make sure it says happy birthday, not congratulations" survives from the moment it's typed to the moment it's delivered.
The third matters especially for flowers: stock that reflects what's actually fresh and on hand, so a seller isn't promising an arrangement built from stems that sold out that morning.
The fourth is orders with more than one arrangement — say, flowers for two different addresses — arriving as separate, itemized lines instead of one order a seller has to mentally split in two.
The fifth is customers ordering for the same recurring occasion — a weekly arrangement, a standing anniversary date — reordering from history instead of describing the same bouquet from scratch every time.
What makes a florist worth ordering from is still the arrangement itself. What an itemized order protects is the handful of details a flower order can't survive getting wrong — who it's for, where it's going, and when it needs to get there.