My interpretation of this is that the author was hoping for something futile - they 'grew a flower' (put effort or hopes toward) that can't be bloomed (is pointless or futile, will not produce anything) that can't come true (their effort/hope is just a hopeful dream). Basically, the author hoped for something that was not possible.
Answer:
they can be used to give a painting pop but not clashing colors and the neutrals can also be used to shade pictures.
Explanation:
You get a dark purple color.
Away from oneself and to the implements of the ceremony.
I hope that's right!