Iris versicolor, or Northern Blue Flag is a 2-3 foot wetland perennial preferring full to part sun in moist to wet soils. Northern Blue Flag’s blue flowers with yellow throats arise from sword-shaped leaves in June to July. The perennial serves as a great pond plant.

Light: Sun-Part Sun
Soil moisture: Wet-Moist
Height: 2-3′

Iris versicolor Northern Blue Flag Iris