In the floriculture industry, blue refers to anything from purple to true blue.
However, when something is true blue, that's how it's referred to.

Some blue flowers which are easy a

Salvia farinacea 'Victoria Blue'
Forget me nots
Salvia argentea 'Black and Blue'
Salvia Mexicana

So many...do a search on true blue flowers.


On Mon, 8 Mar 2004 07:38:37 -0500, "Scout Lady"
opined:

I have been looking for blue petunia's and although I found some that say
they are blue they look purple rather than blue. Is it my monitor or are
there petunia's that are dark blue in color?

Anyone have a suggestion for an alternative blue flower? I am planning on a
fourth of July party and I wanted to do one of the back flowerbeds in red,
white and blue for a change in color. Petunia's always grew quite well in
this space so I'm trying to stick with something I know will grow well or
equally as well.


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