Iris pseudacorus

Yellow Iris, Yellow Flag

One of the most spectacular of all Irises, their 5- to 9-inch-wide flowers bloom in purple, pink, white and blue, often marked with a contrasting color. The 2- to 3-foot-tall stems each produce 3 to 15 single, double or peony-like flowers in early to mid-summer. Will not tolerate hot, dry climates. Thrive with lots of moisture and rich, organic soil. Ideal in groups near ponds or in pots submerged in water. Plant divisions in spring. Feed heavily with high nitrogen during growing season for maximum-sized blooms. Divide and replant every 3 to 4 years.
Iris pseudacorus, Yellow Iris, Yellow Flag
The 'Fleur de lis' motif of French royalty may have been inspired by this Iris' bold yellow flowers. Coarse-textured, grassy leaf blades add appeal. It thrives in well-watered garden soil or adapts to growing in shallow water.

Attributes - Iris pseudacorus

Plant Type: Perennial

Bloom Season: Early Summer through Mid Summer

Flower Color: Yellow

Foliage: Deciduous

Height: 3 ft. to 6 ft.

Width: 3 ft.

Sunlight: Full Sun, Partial Sun

Climate: Zones 4, 5, 6, 7, 8, 9

Notes: Thrives in Acid Soil, Hot Climates, Wet Soil. Cut Flowers, Showy Flowers.

Related Plants

Iris douglasiana, Iris ensata, Iris x louisiana, Iris tectorum, Iris tectorum 'Alba'
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