Blue Flag Iris ‘Purple Flame’

Blue Flag Iris ‘Purple Flame’ brings a bold, artistic flair to water-wise landscapes. Its standout feature is the deep burgundy to purple basal foliage that emerges in early spring—a striking contrast to the soft violet-blue flowers that follow in late spring to early summer. While the foliage greens as the season progresses, the dramatic early flush makes this iris an exceptional focal point in wetland-inspired designs.

Like the straight species (Iris versicolor), ‘Purple Flame’ thrives in moist to wet soils and adapts well to rain gardens, streambanks, and pond edges. Its showy, nectar-rich blooms are visited by bumble bees, hummingbirds, and other native pollinators. It also serves as a host plant for several native moths and butterflies.

‘Purple Flame’ grows in clumps up to 2–3 feet tall and gradually spreads by rhizomes. Its architectural form makes it a powerful companion to soft-textured sedges, rushes, and ferns. Though it can handle occasional dry spells once established, it performs best in sites that remain consistently moist.

• Water: Prefers consistent moisture—ideal for wet soils, but can tolerate short dry periods once mature.
• Soil: Grows best in rich, organic, slightly acidic soils; tolerates clay and shallow water.
• Sunlight: Full sun to part shade; more blooms in full sun, lusher foliage in light shade.
• Division: Divide every 3–4 years in early fall or spring to maintain vigor and prevent overcrowding.
• Pruning: Remove dead leaves and spent bloom stalks in late summer or early fall.
• Deer resistance: Generally unpalatable to deer and rabbits.