I think everybady knows that red rose means "I love you".
Rose have its own history, different legends and myths about this divine flower. But combination of colors have thier own meenings: red and white roses in one bouquet mean friendship, union, unity; pink - concinnity and elegance; yellow - happiness; orange and coral - wish; bouquet of maroon rosses gives compliment about beauty of sweetheart; white rosses means "you are divine", but buton of white rosses says "you are young for love"