Life Span
Perennial
Perennial
Type
Grass
Flowering Plants
Origin
Europe, Western Asia
South-Central United States
Types
Blue Dune Lyme Grass
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
Number of Varieties
7200
0
40000
👆🏻
Habitat
Clay soil areas, Loamy soils, Sandy areas, sandy seeps, Well Drained
Rocky areas
USDA Hardiness Zone
7-95-8
0
99
👆🏻
AHS Heat Zone
9 - 7
12-1
Sunset Zone
H1, H2, 7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
No Available
Habit
Spreading
Clump-Forming
Plant Size
Minimum Height
150.00 cm30.00 cm
0
3900
👆🏻
Minimum Width
75.00 cm30.50 cm
0
6350
👆🏻
Plant Color
Flower Color
Creamy Yellow
White, Purple
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Blue Green, Gray Green
Green
Leaf Color in Summer
Light Green
Green
Leaf Color in Fall
Blue Green, Gray Green
Green
Leaf Color in Winter
Tan
-
Shape
Leaf Shape
Grass like
Long linear and narrow
Thorns
✔
✘
✔
✘
Plant Season
Summer, Fall, Winter
-
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Fast
Medium
Type of Soil
Clay, Loam, Sand
Loam
The pH of Soil
Acidic, Neutral, Alkaline
Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Early Summer, Summer
Late Spring
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
From bulbs
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, occasional watering once established
Requires watering in the growing season
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral, Alkaline
Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Loam
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
No pruning needed in the early stages, Prune grass to maintain level
Remove damaged leaves
Fertilizers
All-Purpose Liquid Fertilizer, fertilize in spring
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought, Pollution, Soil Compaction, Wet Site
Drought
Flowers
Insignificant
Showy
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
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
Sometimes
-
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
Hummingbirds, Butterflies
Allergy
Pollen
-
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
-
-
Part of Plant Used
Stem
Flowers, Leaves
Other Uses
Used as Ornamental plant
Showy Purposes, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Dried Flower/Everlasting, Groundcover
Bedding Plant, Rock Garden / Wall, Wildflower
Botanical Name
ELYMUS glaucus
PENSTEMON cobaea
Common Name
Blue Lyme Grass, Blue Wildrye
Beardtongue
In Hindi
Blue Lyme Grass
Beardtongue
In German
Blau Lyme Grass
Bartfaden
In French
Bleu Lyme Herbe
beardtongue
In Spanish
Azul hierba de Lyme
beardtongue
In Greek
Μπλε Lyme Grass
Beardtongue
In Portuguese
Azul Lyme grama
Beardtongue
In Polish
Niebieska Trawa Lyme
Beardtongue
In Latin
Blue Lyme Grass
ursus lingua
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Liliopsida
Equisetopsida
Order
Cyperales
Lamiales
Family
Poaceae
Scrophulariaceae
Genus
Elymus
Penstemon
Clade
Angiosperms, Commelinids, Monocots
Angiosperms, Asterids, Eudicots
Tribe
Triticeae
-
Subfamily
Pooideae
-
Number of Species
2261
1
27800
👆🏻