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Yellow Flag Iris
The Yellow Flag Iris is a perennial plant that is native to Europe, North Africa, Great Britain and the Mediterranean area. Generally found along wetlands, streams, rivers or lakes in shallow mud or water, this hardy plant will also tolerate drier soil and high soil acidity. Gardeners often use this iris as an ornamental pond plant, and value the yellow flowers that bloom in the summer. Flag irises require minimal care and will grow to a mature size of 3-4' tall and 2-3' wide.