Iris missouriensis

Iris missouriensis

Rocky Mountain iris

Previous scientific name(s): Iris longipetala, Iris missouriensis var. arizonica, Iris missouriensis var. pelogonus, Iris pariensis, Iris tolmiea

Moderate to high moisture requirement; full sun. Large pale blue to blue-violet flowers bloom May to September along river banks or open sandy areas. An attractive perennial species recommended for use where moisture is plentiful.

Varieties: 

Species Attributes

Height: 
- 20 
in.
Life Form: 
Perennial
Native or Introduced: 
Native
Precipitation: 
Moderate - High - Wetland Adapted
Sun & Shade Tolerance: 
Full Sun
Elevation: 
ft.

Soil Texture

Coarse: 
Marginal
Moderately Coarse: 
Average
Medium: 
Best
Moderately Fine: 
Best
Fine: 
Marginal

Soil pH

Acidic: 
Not Adapted
Neutral: 
Best
Basic: 
Marginal
Seeding Rate: 
20 
- 30 
PLS lbs/Acre
Pure Seed per Bushel: 
48.90 lbs.
Seeds per Pound: 
21,000
Germination Time: 
Days
Mycorrhizal Dependent: 
Yes
Bloom Color: 
Blue/Purple
Blooming Season: 
Spring
Summer