Species Iris, Siberian Iris
Irissibirica

Synonym:Iris acuta

Synonym:Iris bicolor

Synonym:Iris erirrhiza

Synonym:Iris flexuosa

Synonym:Iris maritima

Height

Spacing
24-36 in. (60-90 cm)

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

Sun Exposure
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)

Danger
Full Sun

Bloom Color
Parts of plant are poisonous if ingested

Foliage
Light Blue
Dark Blue
Medium Blue
White/Near White

Other details

Propagation Methods
Herbaceous
Smooth

Seed Collecting

Soil pH requirements
By dividing rhizomes, tubers, corms or bulbs (including offsets)

Patent Information

Class
Allow pods to dry on plant; break open to collect seeds

Bloom Time

Awards (if applicable)

Foliage Color

Bloom Characteristics
Perennials

Water Requirements

Where to Grow