Life Span
Perennial
Perennial
Type
Flowering Plants
Tree
Origin
North-Central United States, Central United States, Western United States, Texas
Asia
Types
Blue Toadflax, Old-Field Toadflax
Pterocarya fraxinifolia, Pterocarya stenoptera
Number of Varieties
303
0
40000
👆🏻
Habitat
Cultivated Beds
Boggy areas, Mixed deciduous forest
USDA Hardiness Zone
3-96-9
0
99
👆🏻
AHS Heat Zone
9-1
9-1
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 10
4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Oval or Rounded
Plant Size
Minimum Height
61.00 cm1,520.00 cm
0
3900
👆🏻
Minimum Width
25.40 cm1,220.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Pink, Light Blue, Lavender
Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Green, Brown
Leaf Color in Spring
Light Green, Blue Green, Gray Green
Green
Leaf Color in Summer
Blue Green, Gray Green
Green
Leaf Color in Fall
Blue Green, Gray Green
Green, Yellow green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Oval to egg shaped
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam
Clay, Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer
Spring, Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought, Soil Compaction
Where to Plant?
Ground
Ground
How to Plant?
Cuttings, Divison, Seedlings
Divison, Stem Cutting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water
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
Clay, Loam
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove all suckers, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
use all-purpose fertilizers
All-Purpose Liquid Fertilizer, Nitrogen, Phosphorous
Pests and Diseases
Foliar disease, Root rot, Spider mites
-
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
Bumblebees
Birds, Butterflies, Hummingbirds
Allergy
Depression, High blood cholestrol, Pain
-
Uses
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
-
Plant Benefits
Medicinal Uses
Analgesic, Febrifuge, Stomachic
Diaphoretic
Part of Plant Used
Leaves, Root
Bark, Fruits, Seeds
Other Uses
-
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Rock Garden / Wall, Wildflower
Feature Plant, Shade Trees
Botanical Name
PENSTEMON grandiflorus
Pterocarya fraxinifolia
Common Name
Large Beardtongue, Shell-leaf Penstemon, Wild Snapdragon
Caucasian wingnut, Caucasian walnut
In Hindi
Wild Snapdragon
wingnut
In German
Wilde Snapdragon
wingnut
In French
Snapdragon sauvage
wingnut
In Spanish
Salvaje Snapdragon
wingnut
In Greek
άγρια Snapdragon
wingnut
In Portuguese
Selvagem Snapdragon
wingnut
In Polish
Dziki Snapdragon
Wingnut
In Latin
Phlox Ferae
wingnut
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Scrophulariales
Fagales
Family
Scrophulariaceae
Juglandaceae
Genus
Penstemon
Pterocarya
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
Juglandeae
Subfamily
Scrophularioideae
Juglandoideae
Number of Species
406
1
27800
👆🏻