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- Botanical Latin Name: Iris pseudacorus L Common Name: Yellow Iris Sun Exposure: full Hardiness Zones: 3-10 Mature Height: 4 to 6 feet tall
Yellow Iris - Iris pseudacorus grows wild near ponds, marshes or in wet meadows. Yellow Iris prefers wet conditions and acidic, excessively moist soil. It blooms in May and June, and each bloom is bright yellow with brownish-purple veining inside each flower. Yellow flag iris is drought tolerant.
Professional gardeners recommend growing these in USDA hardiness zones 5 to 9. Yellow flag iris can be used to brighten up any area of your yard. It typically reaches heights of 3 to 5 feet and has a spread of 2 to 2.5 feet. Yellow flag iris blooms during May and June. The flowers it produces are especially lovely and cheerful. This plant is also an excellent choice if you have wildlife such as deer wandering throughout your yard, as it is resistant to this kind of damage. Another great thing about Yellow flag iris is that it is relatively low maintenance. It also makes a lovely border plant or looks beautiful planted in clusters near patios, decks, and porches. Yellow flag iris works well in areas that receive little rainfall.
Botanical Latin Name: Iris pseudacorus L
Common Name: Yellow Iris
Sun Exposure: full
Hardiness Zones: 3-10
Mature Height: 4 to 6 feet tall
Spread: vast, through rhizomes and seeds
Spacing: 36 to 48 inches
Growth Rate: rapid
Flowering Time: June to August
How Long It Flowers: three months
Flower Color: bright yellow
Soil Requirements: fertile, moist, moderately flooded
Flower Form: Primarily found in large areas of water such as ponds, marshes, and lakes, the Yellow Iris is a beautiful, tall plant which can grow up to heights of six feet. The leaves and flowers of this regal plant can often be seen above the water. The Yellow Iris is commonly found throughout Ireland, Britain and all of Europe. It is also located in part of North and South America, where it has been introduced. The Yellow Iris is unique in that it has evolved in ways which make pollination easier. The roots and bulb of the Yellow Iris are thick and fleshy, and the petals are narrow and rhombus shaped. The leaves are also relatively flat, which facilitates pollen transfer by insects.