I AM glad I didn't go with the "rainbow theme" for the flowers for our wedding but... I certainly haven't ruled out this idea for baby showers, birthday parties, etc. ROYGBIV Flower Arrangement- how could you not love this?!
I love flower arrangements with Eucalyptus in them. Here is a free handy hints pack full of terrific ideas to keep your Eucalyptus, Tea Tree and Lavender Oils around the home. http://womenfreebies.co.nz/general-freebies/free-handy-hints-bosistos/