Latin Name: Iris pseudacorus

Flower: Large, bright yellow, showy, iris-like flowers that bloom from late spring to early summer.

Leaves: Long, sword-shaped, and bright green, forming dense clumps of foliage.

Stems: Erect, smooth, and slightly flattened, growing up to 1.5 meters tall.

Growing Environment: Prefers wet, marshy soils in wetlands, along streambanks, and in shallow water bodies.

Growth Habit: A perennial herb that spreads aggressively through both rhizomes and seeds, forming dense stands in wetland environments. It can quickly dominate large areas of marshes and wet meadows. In situ, yellow flag iris appears as tall, dense clumps of bright green foliage with striking yellow flowers along the edges of water bodies.