Iris, Winter-Blooming Algerian Iris 'Walter Butt'

Irisunguicularis

Family
Iridaceae (eye-rid-AY-see-ee)
Genus
Iris (EYE-ris)
Species
unguicularis (un-gwee-kew-LAIR-iss)
Synonym
Spacing
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
Hardiness
Sun Exposure
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
Sun to Partial Shade
Bloom Color
Foliage
Light Blue
Bloom Time
Other Details
Other details
Propagation Methods
Seed Collecting
Soil pH requirements
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:

San Diego, California

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Gardener's Notes:

1
positive
0
neutral
0
negative
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San Diego, CA | February 2010 | positive

Iris unguicularis as I have grown it for several years in a part shade situation in San Diego "Sunset Western Garden zones 23/24 border o...Read More

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