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Iris pseudacorus or Yellow Flag

Iris pseudacorus is part of the Iridaceae family of plants. This plant is native to Europe, Western Asia, and Northwest Africa. Iris pseudacorus is also called Yellow Flag, Water Flag, Yellow Iris, Daggers, Flagon, Jacob’s Sword, Water Skeg, Yellow Fleur-de-lis. It is a herbaceous perennial plant. It prefers wet conditions. In nature, it is usually found in wetlands.

Iris pseudacorus propagates through rhizomes as well as seeds to establish itself. It flowers in the summer. Flowers are yellow. They have 3 large fall petals and 3 erect ones. Its Latin name “pseudacorus” means “false Acorus” which refers to another plant. Iris pseudacorus leaves are very similar however not related at all. Yellow Flag Iris grows to about 1.5m or 5ft. After flowering, it produces pods containing brown seeds. The flower is attractive to bees.

Iris pseudacorus
Iris pseudacorus Yellow Flag

How to grow Iris pseudacorus:

Grow Iris pseudacorus in the sun or partial shade. Plant it in wet humus-rich soil. It prefers more acidic soil. It is perfect in any aquatic landscape. But it also tolerates dryness as well.

Propagate by division. The best time to do this is after flowering in summer or in autumn. Iris pseudacorus requires no pruning. Trim dying foliage or spent flower stems. Watch out for snails, slugs, thrips, aphid borne viruses, bacterial rot or Botrytis.

Iris pseudacorus plant is used for water treatment as it absorbs heavy metals.

Iris pseudacorus
Iris pseudacorus or Yellow Flag

About Online Flower Garden & Dino

I am a flower enthusiast and a gardener at heart. Ever since childhood I loved reading about plants and started gardening at an early age. First by helping my father in the garden and later managing a large garden myself in my teen years. I planted and cared for a large number of plants, flowers, and trees both outdoors and in a greenhouse. To this day I enjoy visiting gardens and parks and learning about new and old specimens and varieties of plants.

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