Life Span
Perennial
Perennial
Type
Tree
Grass
Origin
Central Asia, India, Nepal
Europe, Western Asia
Types
White oak, Bluff oak, Muller oak
Blue Dune Lyme Grass
Number of Varieties
6007
0
40000
👆🏻
Habitat
Clay soil areas, Dry areas, Sandy areas
Clay soil areas, Loamy soils, Sandy areas, sandy seeps, Well Drained
USDA Hardiness Zone
6-97-9
0
99
👆🏻
AHS Heat Zone
7-5
9 - 7
Sunset Zone
H1, 7, 8, 9, 14, 15, 16, 17, 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
2,286.00 cm150.00 cm
0
3900
👆🏻
Minimum Width
1,219.20 cm75.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
Creamy Yellow
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Sandy Brown, Sienna
-
Leaf Color in Spring
Green, Light Green, Gray
Blue Green, Gray Green
Leaf Color in Summer
Green, Gray
Light Green
Leaf Color in Fall
Green, Dark Green, Gray
Blue Green, Gray Green
Leaf Color in Winter
Dark Green, Gray
Tan
Shape
Leaf Shape
broad, flat
Grass like
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Medium
Fast
Type of Soil
Loam
Clay, Loam, Sand
The pH of Soil
Acidic
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Spring
Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Wet Site, Pollution, Drought, Soil Compaction
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings, Transplanting
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
Acidic, Neutral, Alkaline
Soil Type
Loam
Clay, Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Pruning
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
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
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
Allergy
Pollen
Pollen
Uses
Aesthetic Uses
Showy Purposes
Ground Cover, Landscape Designing
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Nesting sites for birds, Shadow Tree, Shelter for wildlife, Wildlife
Air purification, soil erosion prevension on hill slopes, soil stabilisation
Plant Benefits
Medicinal Uses
Chronic fatigue, Cramps, Diarrhea, Dysentry, gallstones, Haemorrhages, Menstrual Cramps
-
Part of Plant Used
Leaves, Seeds, Wood
Stem
Other Uses
Used as firewood, used for making charcoal
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees
Dried Flower/Everlasting, Groundcover
Botanical Name
QUERCUS leucotrichophora
ELYMUS glaucus
Common Name
Banj Oak, Blackjack Oak, Himalayan Oak
Blue Lyme Grass, Blue Wildrye
In Hindi
Blackjack Oak Tree
Blue Lyme Grass
In German
Blackjack Oak Tree
Blau Lyme Grass
In French
Blackjack Oak Tree
Bleu Lyme Herbe
In Spanish
Blackjack Oak Tree
Azul hierba de Lyme
In Greek
Blackjack Oak Tree
Μπλε Lyme Grass
In Portuguese
Blackjack Carvalho
Azul Lyme grama
In Polish
Blackjack Oak Tree
Niebieska Trawa Lyme
In Latin
Blackjack quercum ligno
Blue Lyme Grass
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Liliopsida
Order
Fagales
Cyperales
Family
Fagaceae
Poaceae
Genus
Quercus
Elymus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Commelinids, Monocots
Tribe
-
Triticeae
Subfamily
-
Pooideae
Number of Species
602
1
27800
👆🏻