Yellow Flag Iris, Water Flag Iris

This iris bears yellow flowers in spring summer: a classic garden iris valued for its striking floral display and strap-like foliage that, providing structure throughout the growing season.

• Yellow flowers open in spring summer on tall, upright stalks above attractive sword-like foliage.
• Foliage remains attractive through the growing season; cut back in autumn to reduce disease risk and maintain a tidy appearance.
• Divide clumps every three to four years after bloom to prevent overcrowding and maintain strong flowering.
• Best in full sun with moist, wet soil.