Iris (Siberian) sibirica 'Concord Crush'
Large, vibrant blue, double blooms are nicely ruffled. White and gold signals. Can tolerate clay soil. Can be grown under black walnut trees. Blooms early summer. Tetraploid. Rebloomer.
Prefers moist, organic-rich, acidic soil. Tolerates dry or very wet soil, but will do best with consistent moisture throughout the growing season with drier winter conditions.
Characteristics & Attributes