Life Span
Perennial
Perennial
Type
Flowering Plants
Perennial
Origin
North-Central United States, Central United States, Western United States, Texas
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Canada
Types
Blue Toadflax, Old-Field Toadflax
-
Number of Varieties
302
0
40000
👆🏻
Habitat
Cultivated Beds
gardens, Hardwood forests
USDA Hardiness Zone
3-95-7
0
99
👆🏻
AHS Heat Zone
9-1
7-5
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 10
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10
Habit
Upright/Erect
Clump-Forming
Plant Size
Minimum Height
61.00 cm15.20 cm
0
3900
👆🏻
Minimum Width
25.40 cm12.70 cm
0
6350
👆🏻
Plant Color
Flower Color
Pink, Light Blue, Lavender
White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Light Green
Leaf Color in Spring
Light Green, Blue Green, Gray Green
Green, Blue Green
Leaf Color in Summer
Blue Green, Gray Green
Green, Gray Green
Leaf Color in Fall
Blue Green, Gray Green
Green, Gray Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Oval to egg shaped
Butterfly shaped
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Partial shade, Full Shade
Growth Rate
Fast
Slow
Type of Soil
Clay, Loam
Clay, Loam
The pH of Soil
Neutral, Alkaline
Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Late Spring, Early Summer, Summer
Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Ground, Pot
How to Plant?
Cuttings, Divison, Seedlings
Divison, Seedlings, Stem Planting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water
Medium
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
Clay, Loam
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun
Partial shade, Full Shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove deadheads, Requires very little pruning
Fertilizers
use all-purpose fertilizers
No fertilizers needed
Pests and Diseases
Foliar disease, Root rot, Spider mites
Pests and diseases free, 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
Medium
Coarse
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bumblebees
Bees, Butterflies
Allergy
Depression, High blood cholestrol, Pain
-
Uses
Aesthetic Uses
Showy Purposes
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Analgesic, Febrifuge, Stomachic
Cancer, Diuretic
Part of Plant Used
Leaves, Root
Flowers, Root
Other Uses
-
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Rock Garden / Wall, Wildflower
Feature Plant, Groundcover
Botanical Name
PENSTEMON grandiflorus
JEFFERSONIA diphylla
Common Name
Large Beardtongue, Shell-leaf Penstemon, Wild Snapdragon
-
In Hindi
Wild Snapdragon
Twinleaf
In German
Wilde Snapdragon
Twinleaf
In French
Snapdragon sauvage
Twinleaf
In Spanish
Salvaje Snapdragon
Twinleaf
In Greek
άγρια Snapdragon
Twinleaf
In Portuguese
Selvagem Snapdragon
Twinleaf
In Polish
Dziki Snapdragon
Twinleaf
In Latin
Phlox Ferae
Twinleaf
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Scrophulariales
Ranunculales
Family
Scrophulariaceae
Berberidaceae
Genus
Penstemon
Jeffersonia
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots
Tribe
-
-
Subfamily
Scrophularioideae
-
Number of Species
402
1
27800
👆🏻