Life Span
Perennial
Perennial
Type
Grass
Perennial
Origin
Southern Europe
-
Types
-
Iris hexagona, Iris fulva
Number of Varieties
2160
0
40000
👆🏻
Habitat
Hills, Open grasslands, Open Plains, Slopes
gardens, Wet ground
USDA Hardiness Zone
8-106-9
0
99
👆🏻
AHS Heat Zone
9 - 5
9-5
Sunset Zone
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
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
Habit
Clump-Forming
Clump-Forming
Plant Size
Minimum Height
61.00 cm81.30 cm
0
3900
👆🏻
Minimum Width
30.00 cm61.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Gray, Silver, Yellow
Yellow, Blue, Gold, Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Green
Leaf Color in Spring
Green, Blue Green
Green
Leaf Color in Summer
Light Green
Green
Leaf Color in Fall
Green, Blue Green, Yellow green
Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Grass like
Long linear and narrow
Thorns
✔
✘
✔
✘
Plant Season
Summer, Fall, Winter
Spring
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Loam, Sand
Clay, Loam
The pH of Soil
Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Early Summer, Summer
Early Spring, Spring, Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Container, Ground
Container, Ground, Pot
How to Plant?
reseeds, Root Division
Divison, From bulbs, From Rhizomes
Plant Maintenance
Medium
High
Watering Plants
Watering Requirements
Drought Tolerant, Requires regular watering
Do not let dry out between waterings, Requires a lot of watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Ample Water
In Winter
Average Water
Regular watering required
Soil
Soil pH
Neutral, Alkaline
Acidic, Neutral
Soil Type
Loam, Sand
Clay, Loam
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Caterpillars, Rust
Plant Tolerance
Drought
Drought
Flowers
✔
✘
✔
✘
Flower Petal Number
Single
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Fine
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
pollinators
-
Allergy
Congestion, Rhinitis, Runny nose, Watery eyes
-
Uses
Aesthetic Uses
Borders, Informal Hedge
Bouquets, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
-
Plant Benefits
Medicinal Uses
-
-
Part of Plant Used
-
Flowers, Leaves
Other Uses
Dried heads are used in floristry, suitable for cutting
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Cutflower, Dried Flower/Everlasting, Feature Plant, Mixed Border, Wildflower
Bog Garden, Container, Cutflower, Mixed Border, Water Gardens
Botanical Name
STIPA barbata
IRIS 'Blue Duke'
Common Name
Silver Feather Grass
Louisiana Iris
In Hindi
Silver Feather Grass
Louisiana Iris
In German
Miscanthus sinensis 'Silberfeder'
Louisiana-Iris
In French
Argent Plume Herbe
iris louisiane
In Spanish
Silver Feather Grass
iris luisiana
In Greek
Silver Feather Grass
Λουιζιάνα ίριδας
In Portuguese
Prata Pena Relva
louisiana iris
In Polish
Silver Feather Grass
louisiana tęczówki
In Latin
Silver Feather Grass
louisiana iris
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Liliopsida
Liliopsida
Order
Poales
Asparagales
Family
Poaceae
Iridaceae
Genus
Stipa
Iris
Clade
Angiosperms, Commelinids, Monocots
Angiosperms, Monocots
Tribe
-
Irideae
Subfamily
-
Iridoideae
Number of Species
2080
1
27800
👆🏻