Siberian Iris
Irissibirica 'Silver Edge'

Family: Iridaceae (eye-rid-AY-see-ee)
Genus: Iris (EYE-ris)
Species: sibirica (sy-BEER-ah-kuh)
Cultivar: Silver Edge
Hybridized by McEwen 1973

Height

24-36 in. (60-90 cm)

Spacing

15-18 in. (38-45 cm)
18-24 in. (45-60 cm)

Hardiness

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)

Sun Exposure

Full Sun

Danger

Parts of plant are poisonous if ingested

Bloom Color

Dark Blue
Silver/Gray

Foliage

Herbaceous

Other details

Unknown

Propagation Methods

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

Seed Collecting

N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Soil pH requirements

5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information

Unknown

Class

Siberian (SIB)

Bloom Time

Early (E)
Early midseason (EM)
Midseason (M)

Awards (if applicable)

Unknown

Foliage Color

Unknown

Bloom Characteristics

Unknown

Water Requirements

Requires consistently moist soil; do not let dry out between waterings

Where to Grow

Unknown