Life Span
Perennial
Perennial
Type
Flowering Plants
Grass
Origin
North-Central United States, Central United States, Western United States, Texas
Europe, Asia
Types
Blue Toadflax, Old-Field Toadflax
Blue Oat grass
Number of Varieties
30-
0
40000
👆🏻
Habitat
Cultivated Beds
Cropland, gardens, Grassland, Roadsides
USDA Hardiness Zone
3-94-9
0
99
👆🏻
AHS Heat Zone
9-1
-
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 10
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 15, 16, 17, 23, 24
Habit
Upright/Erect
Clump-Forming
Plant Size
Minimum Height
61.00 cm20.50 cm
0
3900
👆🏻
Minimum Width
25.40 cm30.50 cm
0
6350
👆🏻
Plant Color
Flower Color
Pink, Light Blue, Lavender
Brown
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Brown
Leaf Color in Spring
Light Green, Blue Green, Gray Green
Gray Green
Leaf Color in Summer
Blue Green, Gray Green
Light Green
Leaf Color in Fall
Blue Green, Gray Green
Dark Green
Leaf Color in Winter
-
Tan, Brown
Shape
Leaf Shape
Oval to egg shaped
Grass like
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer
-
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Fast
Medium
Type of Soil
Clay, Loam
Loam
The pH of Soil
Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Late Spring, Early Summer, Summer
Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Ground
How to Plant?
Cuttings, Divison, Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water
Does not require lot of watering, Water occasionally
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
Soil Type
Clay, Loam
Loam
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
use all-purpose fertilizers
All-Purpose Liquid Fertilizer
Pests and Diseases
Foliar disease, Root rot, Spider mites
Red blotch
Plant Tolerance
Drought
Drought
Flowers
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
Medium
-
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bumblebees
-
Allergy
Depression, High blood cholestrol, Pain
Asthma, Itchy eyes
Uses
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Analgesic, Febrifuge, Stomachic
Arthritis, Headache, Stomach pain
Part of Plant Used
Leaves, Root
Whole plant
Other Uses
-
Used as a nutritious food item
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Rock Garden / Wall, Wildflower
Bedding Plant, Feature Plant, Groundcover
Botanical Name
PENSTEMON grandiflorus
ARRHENATHERUM
Common Name
Large Beardtongue, Shell-leaf Penstemon, Wild Snapdragon
Oatgrass
In Hindi
Wild Snapdragon
जई घास
In German
Wilde Snapdragon
Ährengras
In French
Snapdragon sauvage
Folle avoine
In Spanish
Salvaje Snapdragon
oat Grass
In Greek
άγρια Snapdragon
βρώμη Grass
In Portuguese
Selvagem Snapdragon
aveia-
In Polish
Dziki Snapdragon
Owies trawa
In Latin
Phlox Ferae
oat Grass
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
-
Class
Magnoliopsida
Liliopsida
Order
Scrophulariales
Poales
Family
Scrophulariaceae
Poaceae
Genus
Penstemon
Danthonia
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Commelinids, Monocots
Tribe
-
Aveneae
Subfamily
Scrophularioideae
Danthonioideae
Number of Species
40450
1
27800
👆🏻