Life Span
Perennial
Perennial
Type
Flowering Plants
Tree
Origin
South-Central United States
North America, Northeastern United States, Mid-Atlantic United States, North-Central United States, Central United States, South-Central United States, Canada
Types
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
-
Number of Varieties
20020
0
40000
👆🏻
Habitat
Rocky areas
Woodland Garden Canopy
USDA Hardiness Zone
5-83-11
0
99
👆🏻
AHS Heat Zone
12-1
10-1
Sunset Zone
No Available
7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Upright/Erect
Plant Size
Minimum Height
30.00 cm1,830.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm8.50 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple
Tan, Sandy Brown
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Green, Sandy Brown
Leaf Color in Spring
Green
Green
Leaf Color in Summer
Green
Green, Dark Green
Leaf Color in Fall
Green
Yellow, Green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Long linear and narrow
oblong or obovate
Thorns
✔
✘
✔
✘
Plant Season
-
-
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Medium
Medium
Type of Soil
Loam
Clay, Loam, Sand
The pH of Soil
Neutral, Alkaline
Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Late Spring
Early Spring, Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
-
Where to Plant?
Ground
Ground
How to Plant?
From bulbs
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires watering in the growing season
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral, Alkaline
Neutral, Alkaline
Soil Type
Loam
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Pruning
Remove damaged leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
Any balanced general purpose fertilizer
Pests and Diseases
Red blotch
Blackspot mold
Plant Tolerance
Drought
Drought
Flowers
Showy
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
Medium
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds, Butterflies
Beetles, Birds
Allergy
-
Miscarriage, Rash
Uses
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
-
Beautiful Skin, Heals Damaged Hair, Strong, beautiful hair
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
-
Demulcent, Diuretic, Expectorant, Nutritive
Part of Plant Used
Flowers, Leaves
Fruits, Inner Bark, Leaves
Other Uses
Showy Purposes, Used as Ornamental plant
Chewed as a thirst quencher, Tea-like beverage can be brewed, Used as a thickener in soups, Used to make a twine
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Rock Garden / Wall, Wildflower
Shade Trees
Botanical Name
PENSTEMON cobaea
ULMUS rubra
Common Name
Beardtongue
Slippery Elm
In Hindi
Beardtongue
Slippery Elm
In German
Bartfaden
Rotulme
In French
beardtongue
Slippery Elm
In Spanish
beardtongue
olmo resbaladizo
In Greek
Beardtongue
Slippery Elm
In Portuguese
Beardtongue
Slippery Elm
In Polish
Beardtongue
Slippery Elm
In Latin
ursus lingua
Lubricus Elm
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Equisetopsida
Magnoliopsida
Order
Lamiales
Urticales
Family
Scrophulariaceae
Ulmaceae
Genus
Penstemon
Ulmus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
26120
1
27800
👆🏻