Life Span
Perennial
Perennial
Type
Flowering Plants
Grass
Origin
South-Central United States
Europe, Western Asia
Types
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
Blue Dune Lyme Grass
Number of Varieties
2007
0
40000
👆🏻
Habitat
Rocky areas
Clay soil areas, Loamy soils, Sandy areas, sandy seeps, Well Drained
USDA Hardiness Zone
5-87-9
0
99
👆🏻
AHS Heat Zone
12-1
9 - 7
Sunset Zone
No Available
H1, H2, 7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Spreading
Plant Size
Minimum Height
30.00 cm150.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm75.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple
Creamy Yellow
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green
Blue Green, Gray Green
Leaf Color in Summer
Green
Light Green
Leaf Color in Fall
Green
Blue Green, Gray Green
Leaf Color in Winter
-
Tan
Shape
Leaf Shape
Long linear and narrow
Grass like
Thorns
✔
✘
✔
✘
Plant Season
-
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
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring
Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Wet Site, Pollution, Drought, Soil Compaction
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
From bulbs
Root Division, Rooted stem cutting, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires watering in the growing season
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
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Type
Loam
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Pruning
Remove damaged 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
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
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
-
Sometimes
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds, Butterflies
Butterflies
Allergy
-
Pollen
Uses
Aesthetic Uses
Showy Purposes
Ground Cover, Landscape Designing
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, soil erosion prevension on hill slopes, soil stabilisation
Plant Benefits
Medicinal Uses
-
-
Part of Plant Used
Flowers, Leaves
Stem
Other Uses
Showy Purposes, Used as Ornamental plant
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Rock Garden / Wall, Wildflower
Dried Flower/Everlasting, Groundcover
Botanical Name
PENSTEMON cobaea
ELYMUS glaucus
Common Name
Beardtongue
Blue Lyme Grass, Blue Wildrye
In Hindi
Beardtongue
Blue Lyme Grass
In German
Bartfaden
Blau Lyme Grass
In French
beardtongue
Bleu Lyme Herbe
In Spanish
beardtongue
Azul hierba de Lyme
In Greek
Beardtongue
Μπλε Lyme Grass
In Portuguese
Beardtongue
Azul Lyme grama
In Polish
Beardtongue
Niebieska Trawa Lyme
In Latin
ursus lingua
Blue Lyme Grass
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Equisetopsida
Liliopsida
Order
Lamiales
Cyperales
Family
Scrophulariaceae
Poaceae
Genus
Penstemon
Elymus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Commelinids, Monocots
Tribe
-
Triticeae
Subfamily
-
Pooideae
Number of Species
2612
1
27800
👆🏻