Life Span
Perennial
Perennial
Type
Shrub
Flowering Plants
Origin
Madagascar
South-Central United States
Types
Euphorbia tithymaloides tithymaloides, Euphorbia tithymaloides angustifolia
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
Number of Varieties
8200
0
40000
👆🏻
Habitat
subtropical regions, Tropical regions
Rocky areas
USDA Hardiness Zone
9-135-8
0
99
👆🏻
AHS Heat Zone
-
12-1
Sunset Zone
H2, 13, 23, 24
No Available
Habit
Upright/Erect
Clump-Forming
Plant Size
Minimum Height
90.00 cm30.00 cm
0
3900
👆🏻
Minimum Width
30.00 cm30.50 cm
0
6350
👆🏻
Plant Color
Flower Color
Purple, Orange, Pink, Magenta
White, Purple
Flower Color Modifier
-
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green, Gray Green, Burgundy
Green
Leaf Color in Summer
Green, Gray Green
Green
Leaf Color in Fall
Green, Gray Green
Green
Leaf Color in Winter
Green, Gray Green
-
Shape
Leaf Shape
Ovate
Long linear and narrow
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
-
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Fast
Medium
Type of Soil
Loam, Sand
Loam
The pH of Soil
Neutral, Alkaline
Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer, Indeterminate
Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
-
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Seedlings, Softwood cuttings
From bulbs
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water
Requires watering in the growing season
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
Loam, Sand
Loam
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
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
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
Bold
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
Sometimes
-
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds
Hummingbirds, Butterflies
Allergy
Carcinogenic, Diarrhea, Skin irritation, Toxic
-
Uses
Aesthetic Uses
Cottage Garden, Showy Purposes
Showy Purposes
Beauty Benefits
Skin Problems
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Asthma, Emetic, Inflammation, Intestinal worms
-
Part of Plant Used
Leaves, Root
Flowers, Leaves
Other Uses
Tea-like beverage can be brewed, Used as Ornamental plant, Used for its medicinal properties
Showy Purposes, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Houseplant, Mixed Border, Rock Garden, Wall, Tropical
Bedding Plant, Rock Garden / Wall, Wildflower
Botanical Name
Euphorbia tithymaloides
PENSTEMON cobaea
Common Name
Devil's Backbone
Beardtongue
In Hindi
Devil's Backbone
Beardtongue
In German
Devil's Backbone
Bartfaden
In French
Backbone du Diable
beardtongue
In Spanish
El espinazo del diablo
beardtongue
In Greek
Devil's Backbone
Beardtongue
In Portuguese
Espinha do Diabo
Beardtongue
In Polish
Kręgosłup diabła
Beardtongue
In Latin
Narum diaboli
ursus lingua
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Equisetopsida
Order
Malpighiales
Lamiales
Family
Crassulaceae
Scrophulariaceae
Genus
Euphorbia
Penstemon
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
Euphorbieae
-
Subfamily
Euphorbioideae
-
Number of Species
2000261
1
27800
👆🏻