Life Span
Perennial
Perennial
Type
Grass
Tree
Origin
Europe, Western Asia
United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, Central United States, South-Central United States, Texas, Canada
Types
Blue Dune Lyme Grass
Juglans nigra
Number of Varieties
710
0
40000
👆🏻
Habitat
Clay soil areas, Loamy soils, Sandy areas, sandy seeps, Well Drained
bottomlands, Moist woods
USDA Hardiness Zone
7-94-9
0
99
👆🏻
AHS Heat Zone
9 - 7
9-3
Sunset Zone
H1, H2, 7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
Habit
Spreading
Oval or Rounded
Plant Size
Minimum Height
150.00 cm1,830.00 cm
0
3900
👆🏻
Minimum Width
75.00 cm1,830.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Creamy Yellow
Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Green, Chocolate
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
Yellow, Dark Green, Yellow green, Gold
Leaf Color in Winter
Tan
-
Shape
Leaf Shape
Grass like
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Summer, Fall, Winter
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun
Growth Rate
Fast
Medium
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Early Summer, Summer
Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Wet Site, Pollution, Drought, Soil Compaction
-
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Root Division, Rooted stem cutting, Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, occasional watering once established
Average Water Needs, Requires regular watering
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
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
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
Prune in early spring, Prune when plant is dormant, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Fertilizers
All-Purpose Liquid Fertilizer, fertilize in spring
Apply NPK fertilizer at the ratio of 6-24-24
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought, Pollution, Soil Compaction, Wet Site
-
Flowers
Insignificant
Insignificant
Flower Petal Number
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
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
Birds, Butterflies
Allergy
Pollen
Anaphylaxis, Toxic
Uses
Aesthetic Uses
Ground Cover, Landscape Designing
-
Beauty Benefits
-
Good for skin
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, soil erosion prevension on hill slopes, soil stabilisation
Air purification, Shadow Tree
Plant Benefits
Medicinal Uses
-
Cancer, Coronary diseases, Cures constipation, Diarrhea, Diphtheria, High cholestrol, Immunity, Intestinal worms, Leukemia, Skin wounds, Sore throat, Syphilis, Use as a gargle
Part of Plant Used
Stem
Fruits
Other Uses
Used as Ornamental plant
Used As Food, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Dried Flower/Everlasting, Groundcover
Feature Plant, Shade Trees
Botanical Name
ELYMUS glaucus
JUGLANS nigra
Common Name
Blue Lyme Grass, Blue Wildrye
Black Walnut
In Hindi
Blue Lyme Grass
काले अखरोट के पेड़
In German
Blau Lyme Grass
Schwarz Walnussbaum
In French
Bleu Lyme Herbe
Noir noyer
In Spanish
Azul hierba de Lyme
nogal negro
In Greek
Μπλε Lyme Grass
Μαύρη καρυδιά
In Portuguese
Azul Lyme grama
nogueira preta
In Polish
Niebieska Trawa Lyme
Czarny orzech drzewo
In Latin
Blue Lyme Grass
Niger walnut tree
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Cyperales
Juglandales
Family
Poaceae
Juglandaceae
Genus
Elymus
Juglans
Clade
Angiosperms, Commelinids, Monocots
Angiosperms, Eudicots, Rosids
Tribe
Triticeae
Juglandeae
Subfamily
Pooideae
Juglandinae
Number of Species
216
1
27800
👆🏻