Species Iris, Rainbow Iris, Sierra Iris
Irishartwegii

Synonym:Iris pinetorum

Synonym:Limniris hartwegii

Height

Spacing
6-12 in. (15-30 cm)

Hardiness
9-12 in. (22-30 cm)

Sun Exposure
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
Sun to Partial Shade
Light Shade

Bloom Color
Parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction

Foliage
Pale Yellow
Bright Yellow

Other details

Propagation Methods
Herbaceous

Seed Collecting

Soil pH requirements
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; stratify if sowing indoors
Scarify seed before sowing

Patent Information

Class
Allow pods to dry on plant; break open to collect seeds

Bloom Time

Awards (if applicable)

Foliage Color

Bloom Characteristics

Water Requirements

Where to Grow