The Dragon Flower that Conquers Water

Meet the Iris pseudacorus, a plant that's as fascinating as its name. Also known as the Dragon Flower, Yellow Flag Iris, and Fleur-de-lys, this plant is a true spectacle of nature, boasting a vibrant canary yellow bloom that's sure to turn heads and brighten any landscape.

Iris pseudacorus

Full Sun

Specific light requirements are not available.

Moderate Water Needs

Needs regular watering (multiple times a week), but can manage occasional variations.

Highly Adaptable to Various Soils

Thrives in clay, silt loam, or sand, showing great adaptability.

Moderately Adaptable Soil pH

Can thrive in acidic to neutral pH ranges.

Significant Human Health Risks

This plant is toxic and may cause severe health issues.

Safe for Pets

No known safety risks to pets and livestock.


Ease Of Care Score


Safety Score

About Iris pseudacorus

Standing tall at an impressive 3-5 feet, the Iris pseudacorus is a recurring and aquatic plant that's hard to miss. Its width ranges from 1-1.5 feet, making it a substantial presence in any garden. The plant's leaves are a striking olive color, providing a beautiful contrast to the bright yellow flowers that bloom in the mid-year flowering season.

Did you know that the Iris pseudacorus is often referred to as the 'Water Flag'? This is because it thrives in aquatic environments, making it a perfect addition to your water garden or pond!

Also known as

Dragon Flower
Flag iris
Pale Yellow Iris
Pale-yellow iris
Paleyellow iris
Water flag
Yellow flag
Yellow flag iris
Yellow iris
Yellow water iris
Yellow water-flag
Yellowflag Iris

Our design recommendations

The Iris pseudacorus is a versatile plant that can adapt to various landscape locations. However, it truly shines when planted in basins or by the streamside, where it can fully embrace its aquatic nature.