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Iris pseudacorus - Yellow Flag Iris
Iris pseudacorus - Yellow Flag Iris

Yellow Flag Iris

Iris pseudacorus

Also called Water Flag Iris

  • 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

ZONE:
2

COLOUR:
Yellow

HEIGHT:
125-150 cm

SPREAD:
70-90 cm

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Additional Notes about Yellow Flag Iris:

Invasive in Ontario and much of Canada. Consider the native Iris versicolor for an alternative.

Characteristics & Attributes

Full Sun
Full Sun
Fast
Fast
Deer Resistant
Deer Resistant
Low Maintenance
Low Maintenance
Bog or water garden
Bog or water garden
SOIL MOISTURE:
Moist to Wet Soils
Wetland (Root submerged)
FLOWERING TIME:
Summer
Lt. Spr-Sum
Spring
HABIT:
Upright
Clumping
FOLIAGE COLOR:
Green (dark)
LANDSCAPE USES:
Woodland/woods edge
Naturalizing