What aspect should be considered when selecting flowers for a boutonniere?

When selecting flowers for a boutonniere, it is important to consider all aspects, which include size, fragrance, and color. The size of the flowers is crucial because a boutonniere needs to complement the wearer's attire without overwhelming it; ideally, the flowers should be small and structured so that they sit well on the lapel. Fragrance plays a role as well since a pleasant scent can enhance the overall experience, although it needs to be subtle so it does not overpower the wearer or others nearby. Finally, the color of the flowers is vital in achieving a harmonious look that matches the outfit or event theme. Therefore, considering all of these aspects ensures that the boutonniere is not only aesthetically pleasing but also appropriate for the occasion, making the answer inclusive of all factors an ideal choice.