Rocky Mountain iris

Iris missouriensis

Photo/Illustration: 
Neil Diboll
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
Rocky Mountain iris (Iris missouriensis)
Synonyms:  Iris tolmeiana
Genus:  Iris
This variable, beardless iris with narrow leaves to 20 inches long bears 2 to 4 blooms on each branched stem, in summer. The flowers have short, pale to deep blue or lilac-purple standards and larger falls with deep purple veining.
Care:  Grow in medium-wet, average soil.
Propagation:  Lift and divide clumps, or separate bulb offsets, and plant immediately, in early autumn.
Problems:  Iris borer, verbena bud moth, whiteflies, iris weevil, thrips, slugs and snails, aphids, and nematodes.

Overview

Height
1 ft. to 3 ft.
Growth Pace
Invasive/Aggressive Grower
Light
Full Sun to Part Shade
Moisture
Medium to Wet
Maintenance
Moderate
Characteristics
Native,
Showy Flowers
Bloom Time
Summer
Flower Color
Island Paradise,
Niagara
Uses
Beds and Borders,
Waterside
Style
Water Garden
Seasonal Interest
Summer Interest
Type
Perennials

Related Plants to Iris missouriensis

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
Siberian iris
Iris sibirica
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
Japanese iris
Iris ensata
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
Cardinal flower
Lobelia cardinalis
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
Joe Pye weed
Eupatorium dubium 'Little Joe'