Fleur-de-Lis
Iris pseudacorus
Family: Iridaceae · Also called Yellow Flag Iris, Water Flag, Sword Lily, Iris pseudacorus var. acoroides, Iris pseudacorus var. ochroleuca, Iris pallidior
Green & Fresh · Spring–Summer bloomer
The yellow flag iris is the living original of the fleur-de-lis, one of history's most recognizable symbols. Growing boldly in water and wet ground, its bright yellow flowers with drooping falls and upright standards create the distinctive three-pronged silhouette that kings, cities, and nations have stamped on flags and shields for 1,500 years.
royalty, faith, valor, wisdom
In the Victorian language of flowers, fleur-de-lis means “Royalty, faith, and valor”. The fleur-de-lis symbol, derived from the yellow flag iris, has represented French royalty since King Clovis I in the 5th century. Legend says Clovis adopted it after irises showed his army a shallow river crossing during battle. The stylized symbol appears on the French coat of arms, Quebec flag, Florence's civic emblem, and countless heraldic devices worldwide.
Did You Know?
The fleur-de-lis is not a lily (despite the name meaning 'flower of the lily'), it's an iris. The confusion arose from a medieval French word mix-up. Yellow flag iris is now listed as invasive in North America, Australia, and New Zealand, its vigorous rhizomes can choke waterways. Despite this, it remains one of the best plants for natural water filtration.
Riverbanks, pond margins, marshes, and wet meadows
Fleur-de-Lis is native to Europe, North Africa, Western Asia. It naturally grows in riverbanks, pond margins, marshes, and wet meadows.
Scent Profile
“A faint, fresh green-water scent, yellow flag iris grows in wet ground and its fragrance is inseparable from the smell of marshland and river edges where it thrives.”
Quick Reference
- Scientific NameIris pseudacorus
- FamilyIridaceae
- Native ToEurope, North Africa, Western Asia
- Bloom SeasonSpring–Summer
- LifespanPerennial
Cultural Significance
The fleur-de-lis symbol, derived from the yellow flag iris, has represented French royalty since King Clovis I in the 5th century. Legend says Clovis adopted it after irises showed his army a shallow river crossing during battle. The stylized symbol appears on the French coat of arms, Quebec flag, Florence's civic emblem, and countless heraldic devices worldwide.