Life Span
Perennial
Perennial
Type
Perennial
Grass
Origin
Europe
Europe, Northern Europe, Western Europe, Asia, Central Asia, Western Asia
Types
-
Blue Lyme Grass
Number of Varieties
67
0
40000
👆🏻
Habitat
dry rocky watercourses
Clay soil areas, Loamy soils, Sandy areas, sandy seeps, Well Drained
USDA Hardiness Zone
3-94-10
0
99
👆🏻
AHS Heat Zone
8-1
10 - 1
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23
A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Spreading
Plant Size
Minimum Height
71.10 cm150.00 cm
0
3900
👆🏻
Minimum Width
45.70 cm75.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue Violet, Lavender, Purple, White
Creamy Yellow
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Brown
-
Leaf Color in Spring
Green, Sea Green
Blue Green, Steel Blue
Leaf Color in Summer
Green, Sea Green
Light Green
Leaf Color in Fall
Green, Sea Green
Light Yellow, Pink, Steel Blue
Leaf Color in Winter
Light Green
Tan
Shape
Leaf Shape
Lanceolate to elliptical
Grass like
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer
Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
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
Well drained
Well drained
Bloom Time
Spring, Late Spring, Early Summer
Summer, Late Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Pollution, Drought, Salt
Where to Plant?
Container, Ground
Container, Ground, Pot
How to Plant?
Rhizome division
Root Division, Rooted stem cutting, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
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
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
No pruning needed in the early stages, Prune grass to maintain level, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer, fertilize in spring
Pests and Diseases
Aphids, Bacterial leaf spot, Billbugs, Borers, Fungal leaf spots
Red blotch
Plant Tolerance
Drought
Drought, Pollution, Salt
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
Coarse
Coarse
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
Butterflies
Allergy
Gastric disturbances, Skin irritation
Pollen
Uses
Aesthetic Uses
Showy Purposes
Ground Cover, Landscape Designing
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, soil erosion prevension on hill slopes, soil stabilisation
Plant Benefits
Medicinal Uses
Juice of fresh root used for treatment of dropsy
-
Part of Plant Used
Root
Stem
Other Uses
Making Perfumes, Used as a flavouring in food
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Cutflower, Feature Plant, Mixed Border
Mixed Border
Botanical Name
Iris germanica
LEYMUS arenarius 'Blue Dune'
Common Name
German Iris
Blue Dune Lyme Grass, Sand Ryegrass
In Hindi
German Iris
Blue Dune Lyme Grass
In German
German Iris
Blau Dune Lyme Grass
In French
German Iris
Bleu Dune Lyme Herbe
In Spanish
German Iris
Azul Duna hierba de Lyme
In Greek
German Iris
Μπλε Dune Lyme Grass
In Portuguese
German Iris
Azul Dune Lyme grama
In Polish
German Iris
Niebieska Trawa Dune z Lyme
In Latin
German Iris
Blue Dune Lyme Grass
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Liliopsida
Order
Asparagales
Cyperales
Family
Iridaceae
Poaceae
Genus
Iris
Elymus
Clade
Angiosperms, Monocots
Angiosperms, Commelinids, Monocots
Tribe
Irideae
Triticeae
Subfamily
Iridoideae
Pooideae
Number of Species
30025
1
27800
👆🏻