SCIENTIFIC NAME: Iris virginica shrevei
COMMON NAMES: Wild Blue Flag Iris, Southern Blue Flag Iris, Shreve's Iris, Virginia Iris, Blue Flag
BLOOM TIME: May, June, July
- The flowers are cross-pollinated by bumblebees & long-horned bees.
- Butterflies & skippers also visit the flowers occasionally.
- Some insects feed on Blue Flag Iris destructively. They include the weevil larvae feed on inside seed capsules, while Syrphid fly larvae & mealybug feed on the rhizomes.
- Caterpillars of the Virginia Ctenucha moth, Agreeable Tiger Moth, & Iris Borer Moth also feed on these plants.
- Mammalian herbivores rarely bother this plant because the foliage and rootstocks are somewhat toxic, causing irritation of the gastrointestinal tract.