Life Span
Perennial
Perennial
Type
Tree
Shrub
Origin
United States, Southeastern United States, Central United States
Madagascar
Types
Catalpa speciosa
Euphorbia tithymaloides tithymaloides, Euphorbia tithymaloides angustifolia
Number of Varieties
28
0
40000
👆🏻
Habitat
Moist woods, Swamps, Woodlands
subtropical regions, Tropical regions
USDA Hardiness Zone
4-89-13
0
99
👆🏻
AHS Heat Zone
8-1
-
Sunset Zone
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
H2, 13, 23, 24
Habit
Spreading
Upright/Erect
Plant Size
Minimum Height
1,220.00 cm90.00 cm
0
3900
👆🏻
Minimum Width
610.00 cm30.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Yellow, Purple
Purple, Orange, Pink, Magenta
Flower Color Modifier
Bicolor
-
Fruit Color
Green, Brown
-
Leaf Color in Spring
Light Green
Green, Gray Green, Burgundy
Leaf Color in Summer
Light Green
Green, Gray Green
Leaf Color in Fall
Yellow green, Brown
Green, Gray Green
Leaf Color in Winter
-
Green, Gray Green
Shape
Leaf Shape
Heart-shaped
Ovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Spring
Late Spring, Early Summer, Summer, Indeterminate
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Wet Site, Drought
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Stem Planting
Seedlings, Softwood cuttings
Plant Maintenance
Low
Medium
Watering Plants
Watering Requirements
Keep ground moist
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
Acidic, Neutral, Alkaline
Neutral, Alkaline
Soil Type
Clay, Loam
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
Apply 10-10-10 amount, Do not let fertilizers touch the leaves, Doesn't require fertilization when grown in rich soil
All-Purpose Liquid Fertilizer
Pests and Diseases
Anthracnose, Brown Rot, Caterpillars, fungus, Sawfly Larvae, Verticillium Wilt
Red blotch
Plant Tolerance
Drought, Wet Site
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
Coarse
Bold
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
Hummingbirds
Allergy
Skin irritation
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
-
Asthma, Emetic, Inflammation, Intestinal worms
Part of Plant Used
Whole plant, Wood
Leaves, Root
Other Uses
Used as Ornamental plant, Used for woodware, Used in Furniture
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
Feature Plant, Shade Trees, Street Trees
Container, Houseplant, Mixed Border, Rock Garden, Wall, Tropical
Botanical Name
CATALPA speciosa
Euphorbia tithymaloides
Common Name
Northern Catalpa
Devil's Backbone
In Hindi
Northern Catalpa
Devil's Backbone
In German
Northern Catalpa
Devil's Backbone
In French
Nord Catalpa
Backbone du Diable
In Spanish
Catalpa Norte
El espinazo del diablo
In Greek
Βόρεια Catalpa
Devil's Backbone
In Portuguese
Northern Catalpa
Espinha do Diabo
In Polish
Północnej Catalpa
Kręgosłup diabła
In Latin
Northern Catalpa
Narum diaboli
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Scrophulariales
Malpighiales
Family
Bignoniaceae
Crassulaceae
Genus
Catalpa
Euphorbia
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
Euphorbieae
Subfamily
-
Euphorbioideae
Number of Species
652000
1
27800
👆🏻