Life Span
Perennial
Perennial
Type
Grass
Shrubs
Origin
Europe, Western Asia
China, Indonesia, Japan, Korea, The Hiamalayas
Types
Blue Dune Lyme Grass
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
Number of Varieties
7100
0
40000
👆🏻
Habitat
Clay soil areas, Loamy soils, Sandy areas, sandy seeps, Well Drained
Forest margins, Hillside, Woods
USDA Hardiness Zone
7-93-9
0
99
👆🏻
AHS Heat Zone
9 - 7
9-1
Sunset Zone
H1, H2, 7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21
Habit
Spreading
Oval or Rounded
Plant Size
Minimum Height
150.00 cm4.92 cm
0
3900
👆🏻
Minimum Width
75.00 cm11.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Creamy Yellow
Blue, Dark Purple, Light Purple, Red, White
Flower Color Modifier
Bicolor
-
Fruit Color
-
-
Leaf Color in Spring
Blue Green, Gray Green
Green
Leaf Color in Summer
Light Green
Green, Dark Green
Leaf Color in Fall
Blue Green, Gray Green
Dark Green, Yellow, Yellow green
Leaf Color in Winter
Tan
-
Shape
Leaf Shape
Grass like
Oblovate
Thorns
✔
✘
✔
✘
Plant Season
Summer, Fall, Winter
Early Spring, Late Autumn
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam, Sand
Light
The pH of Soil
Acidic, Neutral, Alkaline
Acidic
Soil Drainage
Well drained
Well drained
Bloom Time
Early Summer, Summer
Spring, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Wet Site, Pollution, Drought, Soil Compaction
-
Where to Plant?
Container, Ground, Pot
Ground, Pot
How to Plant?
Root Division, Rooted stem cutting, Seedlings
Seedlings, Stem Planting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, occasional watering once established
Keep the ground moist but not water-logged, Requires regular watering, Use and maintain water-efficient soaker hoses, Water twice a day in the initial period
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
Soil Type
Clay, Loam, Sand
Light
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun
Pruning
No pruning needed in the early stages, Prune grass to maintain level
Cut or pinch the stems, Do not prune during shooting season, Prune lower leaves, Prune to stimulate growth, Remove dead or diseased plant parts
Fertilizers
All-Purpose Liquid Fertilizer, fertilize in spring
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Anthracnose, Cercospora leaf spot, Mushroom root rot, Powdery mildew
Plant Tolerance
Drought, Pollution, Soil Compaction, Wet Site
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
Coarse
Coarse
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
Bees, Flies
Allergy
Pollen
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
Uses
Aesthetic Uses
Ground Cover, Landscape Designing
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, soil erosion prevension on hill slopes, soil stabilisation
Air purification
Plant Benefits
Medicinal Uses
-
Fever, Kidney problems, Urinary tract problems
Part of Plant Used
Stem
Flowers, Root
Other Uses
Used as Ornamental plant
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Dried Flower/Everlasting, Groundcover
-
Botanical Name
ELYMUS glaucus
Hydrangea
Common Name
Blue Lyme Grass, Blue Wildrye
Hydrangea or hortensia
In Hindi
Blue Lyme Grass
Hydrangea
In German
Blau Lyme Grass
Hortensie
In French
Bleu Lyme Herbe
Hortensia
In Spanish
Azul hierba de Lyme
Hortensia
In Greek
Μπλε Lyme Grass
υδραγεία
In Portuguese
Azul Lyme grama
Hortênsia
In Polish
Niebieska Trawa Lyme
Hortensja
In Latin
Blue Lyme Grass
Hibiscus
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Cyperales
Cornales
Family
Poaceae
Hydrangeaceae
Genus
Elymus
Hydrangea
Clade
Angiosperms, Commelinids, Monocots
-
Tribe
Triticeae
-
Subfamily
Pooideae
-
Number of Species
275
1
27800
👆🏻