Life Span
Perennial
  
Perennial
  
Type
Perennial
  
Ornamental Grasses and Bamboo
  
Origin
Hybrid origin
  
Southern Europe, Western Europe, Mediterranean
  
Types
Iris hexagona, Iris fulva
  
Not Available
  
Habitat
gardens, Wet ground
  
Desert, Dry areas, Dry Forest, Rocky areas
  
USDA Hardiness Zone
6-9
  
4-9
  
AHS Heat Zone
9-5
  
9 - 1
  
Sunset Zone
H1, H2, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
  
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
  
Habit
Clump-Forming
  
Cushion/Mound-forming
  
Plant Size
  
  
Plant Color
  
  
Flower Color
Yellow, Blue, Gold, Blue Violet
  
Blue Green
  
Flower Color Modifier
Bicolor
  
Bicolor
  
Fruit Color
Green
  
Not Available
  
Leaf Color in Spring
Green
  
Blue Green, Silver, Gray
  
Leaf Color in Summer
Green
  
Light Green
  
Leaf Color in Fall
Green
  
Blue Green, Silver, Gray
  
Leaf Color in Winter
Light Green
  
Blue Green, Tan, Silver, Gray
  
Shape
  
  
Leaf Shape
Long linear and narrow
  
Grass like
  
Thorns
No
  
No
  
Plant Season
Spring
  
Spring, Summer, Fall, Winter
  
Growing Conditions
  
  
Sunlight
Full Sun, Partial Sun
  
Full Sun
  
Growth Rate
Medium
  
Medium
  
Type of Soil
Clay, Loam
  
Clay, Loam, Sand
  
The pH of Soil
Acidic, Neutral
  
Neutral, Alkaline
  
Soil Drainage
Average
  
Well drained
  
Bloom Time
Early Spring, Spring, Late Spring
  
Late Spring, Early Summer
  
Repeat Bloomer
No
  
No
  
Tolerances
Drought
  
Salt
  
Where to Plant?
Container, Ground, Pot
  
Container, Ground
  
How to Plant?
Divison, From bulbs, From Rhizomes
  
Rooted stem cutting, Seedlings, Stem Planting
  
Plant Maintenance
High
  
Medium
  
Watering Plants
  
  
Watering Requirements
Do not let dry out between waterings, Requires a lot of watering
  
Average Water Needs, occasional watering once established, Requires regular watering, Requires watering in the growing season
  
In Summer
Lots of watering
  
Lots of watering
  
In Spring
Ample Water
  
Moderate
  
In Winter
Regular watering required
  
Average Water
  
Soil
  
  
Soil pH
Acidic, Neutral
  
Neutral, Alkaline
  
Soil Type
Clay, Loam
  
Clay, Loam, Sand
  
Soil Drainage Capacity
Average
  
Well drained
  
Sun Exposure
Full Sun, Partial Sun
  
Full Sun
  
Pruning
Remove damaged leaves, Remove dead leaves
  
Cut or pinch the stems, Pinch Tips, Remove damaged leaves, Remove dead branches, Remove dead leaves
  
Fertilizers
All-Purpose Liquid Fertilizer
  
All-Purpose Liquid Fertilizer
  
Pests and Diseases
Caterpillars, Rust
  
Red blotch
  
Plant Tolerance
Drought
  
Salt
  
Flowers
Yes
  
No
  
Flower Petal Number
Single
  
Single
  
Fruits
  
  
Showy Fruit
No
  
No
  
Edible Fruit
No
  
No
  
Fragrance
  
  
Fragrant Flower
No
  
No
  
Fragrant Fruit
No
  
No
  
Fragrant Leaf
No
  
No
  
Fragrant Bark/Stem
No
  
No
  
Showy Foliage
No
  
Yes
  
Showy Bark
No
  
No
  
Foliage Texture
Medium
  
Fine
  
Foliage Sheen
Matte
  
Matte
  
Evergreen
No
  
No
  
Invasive
No
  
No
  
Self-Sowing
No
  
Yes
  
Attracts
Not Available
  
Butterflies, Hummingbirds
  
Allergy
Not Available
  
Asthma, Itchiness, Rash, Rhinitis
  
Uses
  
  
Aesthetic Uses
Bouquets, Showy Purposes
  
Ground Cover
  
Beauty Benefits
Not Available
  
Not Available
  
Edible Uses
No
  
No
  
Environmental Uses
Not Available
  
Air purification
  
Plant Benefits
  
  
Medicinal Uses
No Medicinal Use
  
Not Available
  
Part of Plant Used
Flowers, Leaves
  
Stem
  
Other Uses
Used as Ornamental plant
  
Used as Ornamental plant
  
Used As Indoor Plant
No
  
No
  
Used As Outdoor Plant
Yes
  
Yes
  
Garden Design
Bog Garden, Container, Cutflower, Mixed Border, Water Gardens
  
Container, Edging, Mixed Border, Rock Garden / Wall
  
Botanical Name
IRIS 'Blue Duke'
  
HELICTOTRICHON sempervirens
  
Common Name
Louisiana Iris
  
Blue Oat Grass
  
In Hindi
Louisiana Iris
  
ब्लू जई घास
  
In German
Louisiana-Iris
  
Blau Ährengras
  
In French
iris louisiane
  
Bleu Oat Grass
  
In Spanish
iris luisiana
  
Azul hierba de avena
  
In Greek
Λουιζιάνα ίριδας
  
Μπλε βρώμης Grass
  
In Portuguese
louisiana iris
  
Azul Aveia
  
In Polish
louisiana tęczówki
  
Niebieski Owies trawa
  
In Latin
louisiana iris
  
Blue Oat Grass
  
Kingdom
Plantae
  
Plantae
  
Phylum
Magnoliophyta
  
Magnoliophyta
  
Class
Liliopsida
  
Liliopsida
  
Order
Asparagales
  
Poales
  
Family
Iridaceae
  
Poaceae
  
Genus
Iris
  
Helictotrichon
  
Clade
Angiosperms, Monocots
  
Angiosperms, Commelinids, Monocots
  
Tribe
Irideae
  
Aveneae
  
Subfamily
Iridoideae
  
Pooideae
  
Number of Species
Not Available