Life Span
Perennial
Perennial
Type
Flowering Plants
Shrub
Origin
North-Central United States, Central United States, Western United States, Texas
Madagascar
Types
Blue Toadflax, Old-Field Toadflax
Euphorbia tithymaloides tithymaloides, Euphorbia tithymaloides angustifolia
Number of Varieties
308
0
40000
👆🏻
Habitat
Cultivated Beds
subtropical regions, Tropical regions
USDA Hardiness Zone
3-99-13
0
99
👆🏻
AHS Heat Zone
9-1
-
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 10
H2, 13, 23, 24
Habit
Upright/Erect
Upright/Erect
Plant Size
Minimum Height
61.00 cm90.00 cm
0
3900
👆🏻
Minimum Width
25.40 cm30.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Pink, Light Blue, Lavender
Purple, Orange, Pink, Magenta
Flower Color Modifier
Bicolor
-
Fruit Color
-
-
Leaf Color in Spring
Light Green, Blue Green, Gray Green
Green, Gray Green, Burgundy
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
-
Green, Gray Green
Shape
Leaf Shape
Oval to egg shaped
Ovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam
Loam, Sand
The pH of Soil
Neutral, Alkaline
Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer
Late Spring, Early Summer, Summer, Indeterminate
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Cuttings, Divison, Seedlings
Seedlings, Softwood cuttings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water
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
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
use all-purpose fertilizers
All-Purpose Liquid Fertilizer
Pests and Diseases
Foliar disease, Root rot, Spider mites
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
Bold
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bumblebees
Hummingbirds
Allergy
Depression, High blood cholestrol, Pain
Carcinogenic, Diarrhea, Skin irritation, Toxic
Uses
Aesthetic Uses
Showy Purposes
Cottage Garden, Showy Purposes
Beauty Benefits
-
Skin Problems
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Analgesic, Febrifuge, Stomachic
Asthma, Emetic, Inflammation, Intestinal worms
Part of Plant Used
Leaves, Root
Leaves, Root
Other Uses
-
Tea-like beverage can be brewed, Used as Ornamental plant, Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Rock Garden / Wall, Wildflower
Container, Houseplant, Mixed Border, Rock Garden, Wall, Tropical
Botanical Name
PENSTEMON grandiflorus
Euphorbia tithymaloides
Common Name
Large Beardtongue, Shell-leaf Penstemon, Wild Snapdragon
Devil's Backbone
In Hindi
Wild Snapdragon
Devil's Backbone
In German
Wilde Snapdragon
Devil's Backbone
In French
Snapdragon sauvage
Backbone du Diable
In Spanish
Salvaje Snapdragon
El espinazo del diablo
In Greek
άγρια Snapdragon
Devil's Backbone
In Portuguese
Selvagem Snapdragon
Espinha do Diabo
In Polish
Dziki Snapdragon
Kręgosłup diabła
In Latin
Phlox Ferae
Narum diaboli
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Scrophulariales
Malpighiales
Family
Scrophulariaceae
Crassulaceae
Genus
Penstemon
Euphorbia
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
Euphorbieae
Subfamily
Scrophularioideae
Euphorbioideae
Number of Species
402000
1
27800
👆🏻