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Iris pseudacorus

Yellow Flag Iris (Water Flag Iris)

A water-loving iris forming large, cattail-sized clumps which produce numerous, bright yellow blooms.

  • »  AKA Iris lutea
  • »  Bright yellow flowers
  • »  Brown markings at the base of each, yellow petal
  • »  Each stem produces multiple flowers
  • »  Bright green, sword-shaped leaves, 2.5 cm wide
  • »  Bloom Time: May to July
  • »  Flower Size: 10 cm

1gal
$21.88
  • Category:Perennials
  • Hardiness Zone:2
  • Height:125-150 cm
  • Spread:70-90 cm
  • Bloom Color: Yellow
Exposure
• Full Sun
Soil Moisture
• Wetland (Root submerged)
• Moist to Wet Soils
Growth Rate
• Fast
Critter
• Deer Resistant
Attributes
• Low Maintenance
Flowering Time
• Spring
• Lt. Spr-Sum
• Summer
Habit
• Clumping
• Upright
Foliage Color
• Green (dark)
Landscape uses
• Bog or water garden
• Naturalizing
• Woodland/woods edge
Planting instructions
• Container Plants
Additional Information about Iris pseudacorus

Invasive in Ontario and much of Canada

Growing & Maintenance Tips for Iris pseudacorus

Grows best in moist to wet conditions, in full sun. Great plant for ponds, streams and low-lying areas. Iris psuedocorus may be aggressive once established, so location should be considered.