Species Iris, Toughleaf Iris, Oregon Iris

Iristenax

Family
Iridaceae (eye-rid-AY-see-ee)
Genus
Iris (EYE-ris)
Species
tenax (TEN-aks)
Synonym
Iris gormanii
Joniris tenax
Limniris tenax
Spacing
under 6 in. (15 cm)
6-12 in. (15-30 cm)
Hardiness
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)
Sun Exposure
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)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
Danger
Sun to Partial Shade
Bloom Color
Parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction
Foliage
Blue-Violet
Lavender
White/Near White
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; winter sow in vented containers, coldframe or unheated greenhouse
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:

Crescent City, California

Portland, Oregon(8 reports)

Woodinville, Washington

Featured Videos

Gardener's Notes:

0
positive
0
neutral
0
negative
Sort By:
Sort By:
Featured
Cobweb Skipper
(Hesperia metea)
Black-headed Oriole
(Oriolus larvatus)
Featured
Cobweb Skipper
(Hesperia metea)
Black-headed Oriole
(Oriolus larvatus)