Double Siberian Iris 'Concord Crush'

Scientific Name: Iris sibirica 'Concord Crush'

Common Name: Siberian Iris 'Concord Crush'

Hardiness Zone: 3 to 9

Hardiness Degree: Down to -40°F (-40°C)

Blooming Season: Late spring to early summer; may rebloom later in the season

Plant Habit: Clump-forming

Characteristics: Features heavily ruffled, rich violet-blue, double flowers with vibrant yellow signals. Sturdy flower stalks elevate blossoms above upright, narrow, blue-green foliage that remains attractive throughout the growing season.

Water: Prefers moist to wet soil conditions

Fertilize: Apply a balanced, slow-release fertilizer in early spring

Spacing: 18 to 24 inches (45 to 60 cm) apart

Height: 24 to 30 inches (60 to 75 cm)

Width: 18 to 24 inches (45 to 60 cm)

Exposure: Full sun to partial shade; flowering performance may vary in shaded conditions