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Yellow Flag Iris

Botanical Name
Iris pseudacorus
Min Zone
3
Max Zone
9
Height
Up to 5 feet
Width
Up to 2 feet
Flowers
Late spring to early summer: yellow
Light
Full sun (wet soil), part shade (especially in hot, dry)
Soil
Moist to wet
Planting & Care
  • Space plants 18 to 24 inches apart
Problems
Can be invasive in areas
Varieties
  • Variegata - variegated foliage
  • Alba - pale cream flowers
  • I. pseudacorus var. bastardii - clear sulfur yellow flower

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