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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