Species Iris, Black Iris, Sino-Siberian Iris

Irischrysographes

Family
Iridaceae (eye-rid-AY-see-ee)
Genus
Iris (EYE-ris)
Species
chrysographes (kris-oh-GRAF-ees)
Synonym
Iris dykesii
Limniris chrysographes
Limniris dykesii
Spacing
18-24 in. (45-60 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
Foliage
Medium Purple
Dark Purple/Black
Class
Allow pods to dry on plant; break open to collect seeds
Bloom Time
Other Details
Other details
Propagation Methods
Herbaceous
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
Awards (if applicable)
Foliage Color
Bloom Characteristics
Water Requirements
Where to Grow
Regional

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

Los Angeles, California

Peoria, Illinois

Nicholasville, Kentucky

Cedar Springs, Michigan

Eveleth, Minnesota

Corning, Ohio

Sherwood, Oregon

Tangent, Oregon

Seattle, Washington

Sumas, Washington

Vader, Washington

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Gardener's Notes:

1
positive
0
neutral
0
negative
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B
Irving, TX (Zone 8a) | June 2011 | positive

The flower is generally black for all intents and purposes. You notice it has some slight purple coloring within 10' but its very dark....Read More

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