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Yellow Iris

Yellow Iris

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Yellow Iris

The Yellow Iris, Iris pseudacorus, is also known as the yellow flag or water flag iris. This flowering perennial typically grows to 1 to 1.5 meters tall, and can sometimes grow as tall as 2 meters. The leaves measure about 90cm long and 3cm wide and the bright yellow flowers are about 7 to 10cm wide with the typical iris shape. This flower is ubiquitous in temperate climates and grows best in wet conditions. It can often be found in wetlands along rivers and streams since it tolerates low pH and anoxic soils very well. It can also tolerate various degrees of drying. This ornamental iris tends to be thought of as a weed or invasive species in some areas, but also provides essential habits and food supply for some endangered bird species like the Corn Crake in western Scotland.