Iris, Winter-Blooming Algerian Iris
Irisunguicularis 'Walter Butt'

Height

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

Other details

Propagation Methods

Seed Collecting

Soil pH requirements

Patent Information

Class

Bloom Time

Awards (if applicable)

Foliage Color

Bloom Characteristics

Water Requirements

Where to Grow