Filler flowers play a vital role in creating beautiful and balanced bouquets. These delicate blooms, like baby's breath, asters, or ferns, provide texture, volume, and contrast, enhancing the visual appeal of the primary flowers. By filling gaps and adding depth, they bring harmony and cohesion to the arrangement. Beyond aesthetics, filler flowers often symbolize subtle emotions and sentiments, complementing the message conveyed by the main blooms.