Life Span
Perennial
Perennial
Type
Tree
Grass
Origin
Asia
Europe, Western Asia
Types
Pterocarya fraxinifolia, Pterocarya stenoptera
Blue Dune Lyme Grass
Number of Varieties
37
0
40000
👆🏻
Habitat
Boggy areas, Mixed deciduous forest
Clay soil areas, Loamy soils, Sandy areas, sandy seeps, Well Drained
USDA Hardiness Zone
6-97-9
0
99
👆🏻
AHS Heat Zone
9-1
9 - 7
Sunset Zone
4, 5, 6, 7, 8, 9, 10, 11, 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
Oval or Rounded
Spreading
Plant Size
Minimum Height
1,520.00 cm150.00 cm
0
3900
👆🏻
Minimum Width
1,220.00 cm75.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow green
Creamy Yellow
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Brown
-
Leaf Color in Spring
Green
Blue Green, Gray Green
Leaf Color in Summer
Green
Light Green
Leaf Color in Fall
Green, Yellow green
Blue Green, Gray Green
Leaf Color in Winter
-
Tan
Shape
Leaf Shape
Pinnate
Grass like
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
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
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought, Soil Compaction
Wet Site, Pollution, Drought, Soil Compaction
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Divison, Stem Cutting
Root Division, Rooted stem cutting, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Needs less watering
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
Full Sun, Partial Sun, Partial shade
Pruning
Remove all suckers, Remove damaged leaves, Remove dead branches, Remove dead leaves
No pruning needed in the early stages, Prune grass to maintain level
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen, Phosphorous
All-Purpose Liquid Fertilizer, fertilize in spring
Pests and Diseases
-
Red blotch
Plant Tolerance
Drought, Soil Compaction
Drought, Pollution, Soil Compaction, Wet Site
Flowers
Showy
Insignificant
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
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Butterflies, Hummingbirds
Butterflies
Allergy
-
Pollen
Uses
Aesthetic Uses
-
Ground Cover, Landscape Designing
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
-
Air purification, soil erosion prevension on hill slopes, soil stabilisation
Plant Benefits
Medicinal Uses
Diaphoretic
-
Part of Plant Used
Bark, Fruits, Seeds
Stem
Other Uses
-
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees
Dried Flower/Everlasting, Groundcover
Botanical Name
Pterocarya fraxinifolia
ELYMUS glaucus
Common Name
Caucasian wingnut, Caucasian walnut
Blue Lyme Grass, Blue Wildrye
In Hindi
wingnut
Blue Lyme Grass
In German
wingnut
Blau Lyme Grass
In French
wingnut
Bleu Lyme Herbe
In Spanish
wingnut
Azul hierba de Lyme
In Greek
wingnut
Μπλε Lyme Grass
In Portuguese
wingnut
Azul Lyme grama
In Polish
Wingnut
Niebieska Trawa Lyme
In Latin
wingnut
Blue Lyme Grass
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Liliopsida
Order
Fagales
Cyperales
Family
Juglandaceae
Poaceae
Genus
Pterocarya
Elymus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Commelinids, Monocots
Tribe
Juglandeae
Triticeae
Subfamily
Juglandoideae
Pooideae
Number of Species
62
1
27800
👆🏻