Life Span
Perennial
Perennial
Type
Perennial
Flowering Plants
Origin
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Canada
South-Central United States
Types
-
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
Number of Varieties
2200
0
40000
👆🏻
Habitat
gardens, Hardwood forests
Rocky areas
USDA Hardiness Zone
5-75-8
0
99
👆🏻
AHS Heat Zone
7-5
12-1
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10
No Available
Habit
Clump-Forming
Clump-Forming
Plant Size
Minimum Height
15.20 cm30.00 cm
0
3900
👆🏻
Minimum Width
12.70 cm30.50 cm
0
6350
👆🏻
Plant Color
Flower Color
White
White, Purple
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Light Green
-
Leaf Color in Spring
Green, Blue Green
Green
Leaf Color in Summer
Green, Gray Green
Green
Leaf Color in Fall
Green, Gray Green
Green
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Butterfly shaped
Long linear and narrow
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
-
Growing Conditions
Sunlight
Partial shade, Full Shade
Full Sun, Partial Sun
Growth Rate
Slow
Medium
Type of Soil
Clay, Loam
Loam
The pH of Soil
Neutral, Alkaline
Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Late Spring, Early Summer
Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
-
Where to Plant?
Ground, Pot
Ground
How to Plant?
Divison, Seedlings, Stem Planting
From bulbs
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Medium
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
Neutral, Alkaline
Neutral, Alkaline
Soil Type
Clay, Loam
Loam
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Partial shade, Full Shade
Full Sun, Partial Sun
Pruning
Remove deadheads, Requires very little pruning
Remove damaged leaves
Fertilizers
No fertilizers needed
All-Purpose Liquid Fertilizer
Pests and Diseases
Pests and diseases free, Red blotch
Red blotch
Plant Tolerance
Drought
Drought
Flowers
✔
✘
✔
✘
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
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bees, Butterflies
Hummingbirds, Butterflies
Allergy
-
-
Uses
Aesthetic Uses
Showy Purposes
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Cancer, Diuretic
-
Part of Plant Used
Flowers, Root
Flowers, Leaves
Other Uses
-
Showy Purposes, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Groundcover
Bedding Plant, Rock Garden / Wall, Wildflower
Botanical Name
JEFFERSONIA diphylla
PENSTEMON cobaea
Common Name
-
Beardtongue
In Hindi
Twinleaf
Beardtongue
In German
Twinleaf
Bartfaden
In French
Twinleaf
beardtongue
In Spanish
Twinleaf
beardtongue
In Greek
Twinleaf
Beardtongue
In Portuguese
Twinleaf
Beardtongue
In Polish
Twinleaf
Beardtongue
In Latin
Twinleaf
ursus lingua
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Tracheophyta
Class
Magnoliopsida
Equisetopsida
Order
Ranunculales
Lamiales
Family
Berberidaceae
Scrophulariaceae
Genus
Jeffersonia
Penstemon
Clade
Angiosperms, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
-
-
Subfamily
-
-
Number of Species
2261
1
27800
👆🏻