Japanese Root Iris, Roof Iris, Wall Iris 'Variegata'
Iris tectorum
Family: | Iridaceae (eye-rid-AY-see-ee) (Info) |
Genus: | Iris (EYE-ris) (Info) |
Species: | tectorum (tek-TOR-um) (Info) |
Cultivar: | Variegata |
Class:
Japanese (JI)
Height:
12-18 in. (30-45 cm)
Spacing:
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)
Hardiness:
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
Bloom Color:
Blue-Violet
Lavender
Bloom Time:
Late Midseason (MLa)
Foliage:
Herbaceous
Good Fall Color
Other details:
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
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
Awards (if applicable):
Foliage Color:
Bloom Characteristics:
Water Requirements:
Requires consistently moist soil; do not let dry out between waterings
Very high moisture needs; suitable for bogs and water gardens
Where to Grow:
Regional
This plant is said to grow outdoors in the following regions:
Connersville, Indiana
Newalla, Oklahoma
Beaufort, South Carolina
Hixson, Tennessee
Houston, Texas
Gardeners' Notes:
No details have been posted.