Life Span
Perennial
Perennial
Type
Shrub
Tree
Origin
Madagascar
United States, Southeastern United States, Central United States
Types
Euphorbia tithymaloides tithymaloides, Euphorbia tithymaloides angustifolia
Catalpa speciosa
Number of Varieties
82
0
40000
👆🏻
Habitat
subtropical regions, Tropical regions
Moist woods, Swamps, Woodlands
USDA Hardiness Zone
9-134-8
0
99
👆🏻
AHS Heat Zone
-
8-1
Sunset Zone
H2, 13, 23, 24
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Spreading
Plant Size
Minimum Height
90.00 cm1,220.00 cm
0
3900
👆🏻
Minimum Width
30.00 cm610.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Purple, Orange, Pink, Magenta
White, Yellow, Purple
Flower Color Modifier
-
Bicolor
Fruit Color
-
Green, Brown
Leaf Color in Spring
Green, Gray Green, Burgundy
Light Green
Leaf Color in Summer
Green, Gray Green
Light Green
Leaf Color in Fall
Green, Gray Green
Yellow green, Brown
Leaf Color in Winter
Green, Gray Green
-
Shape
Leaf Shape
Ovate
Heart-shaped
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Fast
Type of Soil
Loam, Sand
Clay, Loam
The pH of Soil
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer, Indeterminate
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Wet Site, Drought
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Seedlings, Softwood cuttings
Stem Planting
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water
Keep ground moist
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
Loam, Sand
Clay, Loam
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
Apply 10-10-10 amount, Do not let fertilizers touch the leaves, Doesn't require fertilization when grown in rich soil
Pests and Diseases
Red blotch
Anthracnose, Brown Rot, Caterpillars, fungus, Sawfly Larvae, Verticillium Wilt
Plant Tolerance
Drought
Drought, Wet Site
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
Coarse
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds
-
Allergy
Carcinogenic, Diarrhea, Skin irritation, Toxic
Skin irritation
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
Whole plant, Wood
Other Uses
Tea-like beverage can be brewed, Used as Ornamental plant, Used for its medicinal properties
Used as Ornamental plant, Used for woodware, Used in Furniture
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Houseplant, Mixed Border, Rock Garden, Wall, Tropical
Feature Plant, Shade Trees, Street Trees
Botanical Name
Euphorbia tithymaloides
CATALPA speciosa
Common Name
Devil's Backbone
Northern Catalpa
In Hindi
Devil's Backbone
Northern Catalpa
In German
Devil's Backbone
Northern Catalpa
In French
Backbone du Diable
Nord Catalpa
In Spanish
El espinazo del diablo
Catalpa Norte
In Greek
Devil's Backbone
Βόρεια Catalpa
In Portuguese
Espinha do Diabo
Northern Catalpa
In Polish
Kręgosłup diabła
Północnej Catalpa
In Latin
Narum diaboli
Northern Catalpa
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Malpighiales
Scrophulariales
Family
Crassulaceae
Bignoniaceae
Genus
Euphorbia
Catalpa
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
Euphorbieae
-
Subfamily
Euphorbioideae
-
Number of Species
200065
1
27800
👆🏻