It looks pretty with carnations cuz they start out pretty much white. Even if the coloring would uptake into the buds, they are starting out as green, so most any color you add to them would turn them... brown. I learned that with crayons when I was young. Dunno if brown would really be an improvement, even if it did work. That being said, if you can make some trippy tie die buds, maybe something that glows under blacklights.... I mean, they made glow in the dark pigs right? I vote that everyone begins experimenting with this at once! A thousand duckets to the man or woman who can get me some glow in the dark smoke, I want to be a green fire breathing dragon in the darkness and now I really have my heart set on it