In heraldry, the carnation symbolizes love, admiration, distinction, and enduring affection, making it a graceful floral emblem with both decorative and emotional depth. Traditionally associated with devotion and esteem, the carnation can appear in a coat of arms to suggest faithful attachment, noble sentiment, or a family identity shaped by refinement and cultivated taste. In some cultural and historical contexts, carnations have also carried meanings of remembrance, celebration, or honour, which can give the charge additional resonance in commemorative or civic heraldry.

Although less common than the rose, fleur-de-lis, or thistle, the carnation has appeared in later and more personalized heraldic traditions, where flowers were sometimes chosen for their specific symbolic associations as well as their visual beauty. Its layered petals and distinctive form make it especially attractive in armorial art, lending softness without losing dignity. In heraldry, the carnation stands as an emblem of enduring feeling and elegant expression, showing that coats of arms could speak not only of power and lineage, but also of affection, memory, and the finer qualities of character.