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Siberian Iris 'Summer Sky'

Irissibirica

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Iris sibirica by boojum
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Family
Iridaceae (eye-rid-AY-see-ee)
Info
Genus
Iris (EYE-ris)
Info
Species
sibirica (sy-BEER-ah-kuh)
Info
Synonym
Height

Unknown - Tell us

Spacing
24-36 in. (60-90 cm)
Hardiness
15-18 in. (38-45 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
Handling plant may cause skin irritation or allergic reaction
Foliage
Light Blue
Class
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Bloom Time

Unknown - Tell us

Other Details
Other details

Unknown - Tell us

Propagation Methods
Herbaceous
Seed Collecting

Unknown - Tell us

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

Unknown - Tell us

Awards (if applicable)

Unknown - Tell us

Foliage Color

Unknown - Tell us

Bloom Characteristics

Unknown - Tell us

Water Requirements

Unknown - Tell us

Where to Grow

Unknown - Tell us

Regional

This plant is said to grow outdoors in the following regions:

Windsor Mill, Maryland

Lexington, Massachusetts

Shelburne Falls, Massachusetts

Grand Marais, Michigan

Augusta, Wisconsin

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NancyMcD
Grand Marais, MI | March 2010 | positive

Of the +/- 70 Siberian irises we grow, this is our favorite. It's so aptly named, with cheerful sky blue flowers illuminated by sunny ye...Read More

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