I owned a Florist shop for many years and 2 colors the guys always wanted at VDay - Blue and Black.
Me - "No can do"
Them - "why"
Me - "Cause :-)"
And then I explained all of the above. Heh
FWIW - If they asked kindly, we would spray paint roses any color. But we hated doing it.
And yeah - the Blue and rainbow roses on Amazon and Ebay drive me LIVID! And the dummies buying the seed are 100 % suckers.
As an aside - my first Valentines was 12 years ago and right now then I was waste deep in ~ 7,000 roses. And by the 11 th in excess of 10,000 roses.