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Iris pseudacorus
Common Name: Yellow Flag Family: Iridaceae (The Iris Family)

Iris pseudacorus
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This elegant iris grows along the water's edge or in water logged soil but also does well in normal gardens. It has stately upright foliage and lovely spikes of yellow flowers. This is a Eurasian species which has become naturalized in some areas of BC so be careful with it if you live near natural areas. It can spread by rhizome or seed.


Geogrpahical Origin:
Europe and Western Russia
North Africa
Southwest Asia and Asia Minor
Native Habitat:
Damp marshy areas, swampy woods and in shallow water or wet ground on the edges of rivers and ditches. Often found in shady places.

ClassDeciduous  Primary Bloom ColourYellow 
TypePerennial  Secondary Bloom Colour 
Height2-4'  Bloom TimeEarly Summer 
Spread12-24'  FragranceNo 
Light ExposureFull - Part Sun Full - Part Shade Loves Sun Sun Part Sun Part Shade  Foliage ColourGreen 
Soil MoistureMoist Wet Average Wet  Stem Colour 
Hardiness Zone3-9  BerriesNo 
BC NativeNo    

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Recommended Companion Plants:
Eupatorium dubium "'Little Joe'"
Astilboides tabularis
Ligularia dentata "'Britt-Marie Crawford'"

*The Plant Encyclopedia is updated each year to provide a close representation of our selection. Not all plants will be in stock at all times. If a certain plant is not available we might have a similar cultivar. We encourage you to email us at info at or call ahead to check availability (604) 270-4133.

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