Life Span
Perennial
Perennial
Type
Tender Perennial
Grass
Origin
Southern Asia
Europe, Western Asia
Types
African iris, Large wild iris, Cape iris
Blue Dune Lyme Grass
Number of Varieties
67
0
40000
👆🏻
Habitat
Coastal Regions, Forest margins, Slopes
Clay soil areas, Loamy soils, Sandy areas, sandy seeps, Well Drained
USDA Hardiness Zone
9-117-9
0
99
👆🏻
AHS Heat Zone
12-10
9 - 7
Sunset Zone
H1, H2, 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
H1, H2, 7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Spreading
Plant Size
Minimum Height
70.00 cm150.00 cm
0
3900
👆🏻
Minimum Width
50.00 cm75.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Yellow, Blue, Violet
Creamy Yellow
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Brown
-
Leaf Color in Spring
Green, Gray Green
Blue Green, Gray Green
Leaf Color in Summer
Green, Gray Green
Light Green
Leaf Color in Fall
Green, Gray Green
Blue Green, Gray Green
Leaf Color in Winter
Light Green
Tan
Shape
Leaf Shape
Grass like
Grass like
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Growth Rate
Medium
Fast
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Indeterminate
Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Wet Site, Pollution, Drought, Soil Compaction
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings, Stem Cutting, Stem Planting
Root Division, Rooted stem cutting, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Water more in summer
Average Water Needs, occasional watering once established
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Pruning
Cut or pinch the stems, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts, Remove deadheads, Remove short twigs, Remove wet foliage
No pruning needed in the early stages, Prune grass to maintain level
Fertilizers
Apply N-P-K
All-Purpose Liquid Fertilizer, fertilize in spring
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought
Drought, Pollution, Soil Compaction, Wet Site
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
Medium
Coarse
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bees, Butterflies, Flying insects, Insects
Butterflies
Allergy
-
Pollen
Uses
Aesthetic Uses
Borders, Ground Cover, Showy Purposes, Water gardening
Ground Cover, Landscape Designing
Beauty Benefits
-
-
Edible Uses
Insignificant
Insignificant
Environmental Uses
Air purification, soil stabilisation, Windbreak
Air purification, soil erosion prevension on hill slopes, soil stabilisation
Plant Benefits
Medicinal Uses
-
-
Part of Plant Used
Flowers
Stem
Other Uses
Screen, useful as a ground cover
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Bog Garden, Container, Groundcover, Mixed Border, Tropical, Water Gardens
Dried Flower/Everlasting, Groundcover
Botanical Name
DIETES grandiflora
ELYMUS glaucus
Common Name
Butterfly Iris
Blue Lyme Grass, Blue Wildrye
In Hindi
तितली आइरिस प्लांट
Blue Lyme Grass
In German
Schmetterling Iris Pflanzen
Blau Lyme Grass
In French
Papillon Iris Plante
Bleu Lyme Herbe
In Spanish
Planta del iris de la mariposa
Azul hierba de Lyme
In Greek
Πεταλούδα Iris Φυτών
Μπλε Lyme Grass
In Portuguese
Borboleta da planta Iris
Azul Lyme grama
In Polish
Butterfly Iris Roślin
Niebieska Trawa Lyme
In Latin
Gloria Iris Planta
Blue Lyme Grass
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Liliopsida
Order
Liliales
Cyperales
Family
Iridaceae
Poaceae
Genus
Dietes Salisb
Elymus
Clade
Angiosperms, Monocots
Angiosperms, Commelinids, Monocots
Tribe
Irideae
Triticeae
Subfamily
Iridoideae
Pooideae
Number of Species
2602
1
27800
👆🏻