Life Span
Perennial
Perennial
Type
Flowering Plants
Tree
Origin
South-Central United States
Asia
Types
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
Pterocarya fraxinifolia, Pterocarya stenoptera
Number of Varieties
2003
0
40000
👆🏻
Habitat
Rocky areas
Boggy areas, Mixed deciduous forest
USDA Hardiness Zone
5-86-9
0
99
👆🏻
AHS Heat Zone
12-1
9-1
Sunset Zone
No Available
4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Oval or Rounded
Plant Size
Minimum Height
30.00 cm1,520.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm1,220.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple
Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Green, Brown
Leaf Color in Spring
Green
Green
Leaf Color in Summer
Green
Green
Leaf Color in Fall
Green
Green, Yellow green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Long linear and narrow
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
-
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Medium
Fast
Type of Soil
Loam
Clay, Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring
Spring, Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought, Soil Compaction
Where to Plant?
Ground
Ground
How to Plant?
From bulbs
Divison, Stem Cutting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires watering in the growing season
Needs less watering
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, Alkaline
Soil Type
Loam
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun
Pruning
Remove damaged leaves
Remove all suckers, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer, Nitrogen, Phosphorous
Pests and Diseases
Red blotch
-
Plant Tolerance
Drought
Drought, Soil Compaction
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
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds, Butterflies
Birds, Butterflies, Hummingbirds
Allergy
-
-
Uses
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
-
Plant Benefits
Medicinal Uses
-
Diaphoretic
Part of Plant Used
Flowers, Leaves
Bark, Fruits, Seeds
Other Uses
Showy Purposes, Used as Ornamental plant
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Rock Garden / Wall, Wildflower
Feature Plant, Shade Trees
Botanical Name
PENSTEMON cobaea
Pterocarya fraxinifolia
Common Name
Beardtongue
Caucasian wingnut, Caucasian walnut
In Hindi
Beardtongue
wingnut
In German
Bartfaden
wingnut
In French
beardtongue
wingnut
In Spanish
beardtongue
wingnut
In Greek
Beardtongue
wingnut
In Portuguese
Beardtongue
wingnut
In Polish
Beardtongue
Wingnut
In Latin
ursus lingua
wingnut
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Equisetopsida
Magnoliopsida
Order
Lamiales
Fagales
Family
Scrophulariaceae
Juglandaceae
Genus
Penstemon
Pterocarya
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
Juglandeae
Subfamily
-
Juglandoideae
Number of Species
2616
1
27800
👆🏻