Species Iris, Clark's Iris, Tibet Iris, Sino-Siberian Iris
Irisclarkei

Family: Iridaceae (eye-rid-AY-see-ee)
Genus: Iris (EYE-ris)
Species: clarkei (KLAR-kee-eye)

Synonym:Iris himalaica

Synonym:Limniris clarkei

Height

Spacing
18-24 in. (45-60 cm)

Hardiness
9-12 in. (22-30 cm)

Sun Exposure
USDA Zone 6a: to -23.3 °C (-10 °F)

Danger
Full Sun
Sun to Partial Shade

Bloom Color

Foliage
Dark Blue
Blue-Violet

Other details

Propagation Methods
Deciduous

Seed Collecting

Soil pH requirements
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors

Patent Information

Class
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored

Bloom Time

Awards (if applicable)

Foliage Color

Bloom Characteristics

Water Requirements

Where to Grow