Life Span
Perennial
Perennial
Type
Flowering Plants
Tree
Origin
South-Central United States
North America
Types
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
Water elm
Number of Varieties
20035
0
40000
👆🏻
Habitat
Rocky areas
Floodplains, Hillside, stream banks, Swamps, Upland
USDA Hardiness Zone
5-83-9
0
99
👆🏻
AHS Heat Zone
12-1
9-1
Sunset Zone
No Available
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21
Habit
Clump-Forming
Upright/Erect
Plant Size
Minimum Height
30.00 cm1,830.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm910.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple
Green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Tan
Leaf Color in Spring
Green
Light Green
Leaf Color in Summer
Green
Dark Green
Leaf Color in Fall
Green
Light Yellow
Leaf Color in Winter
-
-
Shape
Leaf Shape
Long linear and narrow
Oblique base
Thorns
✔
✘
✔
✘
Plant Season
-
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Medium
Fast
Type of Soil
Loam
Loam
The pH of Soil
Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Late Spring
Early Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Cold climate, Drought, Pollution, Salt
Where to Plant?
Ground
Ground
How to Plant?
From bulbs
Rooted stem cutting, Seedlings, Stem Planting
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Requires watering in the growing season
Average Water Needs, Requires regular watering, Requires watering in the growing season, Water Deeply
In Summer
Lots of watering
Ample Water
In Spring
Moderate
Average Water
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral, Alkaline
Acidic, Neutral
Soil Type
Loam
Loam
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun
Pruning
Remove damaged leaves
Remove dead branches, Remove dead or diseased plant parts, Remove hanging branches
Fertilizers
All-Purpose Liquid Fertilizer
Fertilize every year, fertilize in growing season, Nitrogen, Phosphorous, Potassium
Pests and Diseases
Red blotch
Bark beetles, Beetles, Borers, Mites, Moth, Red blotch, Scale
Plant Tolerance
Drought
Cold climate, Drought, Salt
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
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds, Butterflies
-
Allergy
-
allergic reaction, Asthma
Uses
Aesthetic Uses
Showy Purposes
Landscape Designing
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Absorbs greenhouse gases, Absorbs huge amounts of CO2, Air purification, Food for birds, Forms dense stands, Nesting sites for birds, Prevent Soil Erosion, Shelter for wildlife, Wildlife
Plant Benefits
Medicinal Uses
-
Antispasmodic, Astringent
Part of Plant Used
Flowers, Leaves
Bark, Stem, Tree trunks, Wood
Other Uses
Showy Purposes, Used as Ornamental plant
Used as firewood, Used for woodware, Used in biomass, Used in construction, Used in Furniture, Used in paper industry, Used in pulpwood and lumber production, Wood is used for making furniture, Wood is used for ship building, Wood is used fore making tools, Wood is used in construction, Wood log is used in making fences
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Rock Garden / Wall, Wildflower
Feature Plant, Shade Trees, Street Trees
Botanical Name
PENSTEMON cobaea
ULMUS americana
Common Name
Beardtongue
American Elm
In Hindi
Beardtongue
अमेरिकी एल्म
In German
Bartfaden
amerikanische Ulme
In French
beardtongue
orme d'Amérique
In Spanish
beardtongue
olmo americano
In Greek
Beardtongue
American Elm
In Portuguese
Beardtongue
olmo americano
In Polish
Beardtongue
Amerykański wiązu
In Latin
ursus lingua
Latin ulmo
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Equisetopsida
Magnoliopsida
Order
Lamiales
Rosales
Family
Scrophulariaceae
Ulmaceae
Genus
Penstemon
Ulmus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
26140
1
27800
👆🏻