Northern Blue Flag (Iris Versicolor) is a perennial herb in the Iridaceae family with moderate care difficulty. It requires high watering and full sun or partial shade light in USDA hardiness zones 3-9. This plant is toxic to cats and dogs — keep it out of reach of pets.
Iris versicolor is a perennial herbaceous plant native to North American wetlands, known for its striking blue to purple flowers and sword-shaped leaves.
Northern Blue Flag
Iris Versicolor
Iris versicolor is a perennial herbaceous plant native to North American wetlands, known for its striking blue to purple flowers and sword-shaped leaves.
Quick Facts
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Growing Conditions
Care Calendar
Monthly care tasks for Northern Blue Flag
Expert Care Tips
Pro tips from botanists and plant experts
Watering Tip
Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.
Humidity Trick
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Growth Hack
Rotate your plant every...
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