Life Span
Perennial
Perennial
Type
Perennial
Flowering Plants
Origin
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Canada
North-Central United States, Central United States, Western United States, Texas
Types
-
Blue Toadflax, Old-Field Toadflax
Number of Varieties
230
0
40000
👆🏻
Habitat
gardens, Hardwood forests
Cultivated Beds
USDA Hardiness Zone
5-73-9
0
99
👆🏻
AHS Heat Zone
7-5
9-1
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10
1a, 1b, 2a, 2b, 3a, 3b, 10
Habit
Clump-Forming
Upright/Erect
Plant Size
Minimum Height
15.20 cm61.00 cm
0
3900
👆🏻
Minimum Width
12.70 cm25.40 cm
0
6350
👆🏻
Plant Color
Flower Color
White
Pink, Light Blue, Lavender
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Light Green
-
Leaf Color in Spring
Green, Blue Green
Light Green, Blue Green, Gray Green
Leaf Color in Summer
Green, Gray Green
Blue Green, Gray Green
Leaf Color in Fall
Green, Gray Green
Blue Green, Gray Green
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Butterfly shaped
Oval to egg shaped
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer
Growing Conditions
Sunlight
Partial shade, Full Shade
Full Sun, Partial Sun
Growth Rate
Slow
Fast
Type of Soil
Clay, Loam
Clay, Loam
The pH of Soil
Neutral, Alkaline
Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Late Spring, Early Summer
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground, Pot
Ground
How to Plant?
Divison, Seedlings, Stem Planting
Cuttings, Divison, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Medium
Average Water Needs, Do Not over Water
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
Average
Well drained
Sun Exposure
Partial shade, Full Shade
Full Sun, Partial Sun
Pruning
Remove deadheads, Requires very little pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
No fertilizers needed
use all-purpose fertilizers
Pests and Diseases
Pests and diseases free, Red blotch
Foliar disease, Root rot, Spider mites
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
Bumblebees
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
Cancer, Diuretic
Analgesic, Febrifuge, Stomachic
Part of Plant Used
Flowers, Root
Leaves, Root
Other Uses
-
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Groundcover
Rock Garden / Wall, Wildflower
Botanical Name
JEFFERSONIA diphylla
PENSTEMON grandiflorus
Common Name
-
Large Beardtongue, Shell-leaf Penstemon, Wild Snapdragon
In Hindi
Twinleaf
Wild Snapdragon
In German
Twinleaf
Wilde Snapdragon
In French
Twinleaf
Snapdragon sauvage
In Spanish
Twinleaf
Salvaje Snapdragon
In Greek
Twinleaf
άγρια Snapdragon
In Portuguese
Twinleaf
Selvagem Snapdragon
In Polish
Twinleaf
Dziki Snapdragon
In Latin
Twinleaf
Phlox Ferae
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Ranunculales
Scrophulariales
Family
Berberidaceae
Scrophulariaceae
Genus
Jeffersonia
Penstemon
Clade
Angiosperms, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
-
-
Subfamily
-
Scrophularioideae
Number of Species
240
1
27800
👆🏻