That's amazing. To produce the rainbow roses they slice the stems so the dye is taken up by individual petals (or so I am told ~ the science of it all passes by my small brain). You would expect so much damage to be done to the stem that it would be useless for profigation.

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Rainbow

Quote of the day : To keep the heart unwrinkled, to be hopeful, kindly, cheerful, reverent that is to triumph over old age.
Amos Bronson Alcott