Life Span
Perennial
Perennial
Type
Shrub
Flowering Plants
Origin
United States, Mid-Atlantic United States, Southeastern United States
South-Central United States
Types
-
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
Number of Varieties
10200
0
40000
👆🏻
Habitat
Sunny Edge, Woodland Garden
Rocky areas
USDA Hardiness Zone
6-115-8
0
99
👆🏻
AHS Heat Zone
10-6
12-1
Sunset Zone
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
No Available
Habit
Thicket/Colonizing
Clump-Forming
Plant Size
Minimum Height
300.00 cm30.00 cm
0
3900
👆🏻
Minimum Width
300.00 cm30.50 cm
0
6350
👆🏻
Plant Color
Flower Color
White
White, Purple
Flower Color Modifier
-
Bicolor
Fruit Color
Bronze, Sandy Brown
-
Leaf Color in Spring
Green, Light Green
Green
Leaf Color in Summer
Green, Dark Green
Green
Leaf Color in Fall
-
Green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Oblanceolate to oval
Long linear and narrow
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
-
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam, Sand
Loam
The pH of Soil
Acidic, Neutral
Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Late Spring, Early Summer
Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Wet Site
-
Where to Plant?
Ground, Pot
Ground
How to Plant?
Seedlings
From bulbs
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Needs Very high moisture
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
Acidic, Neutral
Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Loam
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
-
Red blotch
Plant Tolerance
Drought
Drought
Flowers
Showy
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
Medium
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
Hummingbirds, Butterflies
Allergy
-
-
Uses
Aesthetic Uses
Borders
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Astringent, Styptic
-
Part of Plant Used
Bark, Flowers, Wood
Flowers, Leaves
Other Uses
Used for woodware
Showy Purposes, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Foundation, Mixed Border, Screening, Wind Break
Bedding Plant, Rock Garden / Wall, Wildflower
Botanical Name
CYRILLA racemiflora
PENSTEMON cobaea
Common Name
Leatherwood, Ironwood, Myrtle
Beardtongue
In Hindi
Leatherwood
Beardtongue
In German
Leather
Bartfaden
In French
Leatherwood
beardtongue
In Spanish
Leatherwood
beardtongue
In Greek
Leatherwood
Beardtongue
In Portuguese
Leatherwood
Beardtongue
In Polish
Leatherwood
Beardtongue
In Latin
Leatherwood
ursus lingua
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Equisetopsida
Order
Ericales
Lamiales
Family
Cyrillaceae
Scrophulariaceae
Genus
Cyrilla
Penstemon
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
-
-
Subfamily
-
-
Number of Species
5261
1
27800
👆🏻