Siberian Iris
Irissibirica 'Blackberry Jubilee'

Family: Iridaceae (eye-rid-AY-see-ee)
Genus: Iris (EYE-ris)
Species: sibirica (sy-BEER-ah-kuh)
Cultivar: Blackberry Jubilee
Hybridized by Schafer-Sacks 1997

Height

24-36 in. (60-90 cm)
36-48 in. (90-120 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
Handling plant may cause skin irritation or allergic reaction

Bloom Color

Fuchsia (red-purple)
Dark Blue

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)

Patent Information

Non-patented

Class

Siberian (SIB)

Bloom Time

Late Midseason (MLa)

Awards (if applicable)

Honorable Mention

Foliage Color

Unknown

Bloom Characteristics

Unknown

Water Requirements

Average Water Needs; Water regularly; do not overwater

Where to Grow

Unknown