Life Span
Annual
Perennial
Type
Flowering Plants, Ornamental Plants
Shrub
Origin
Asia, Europe
Madagascar
Types
Not Available
Euphorbia tithymaloides tithymaloides, Euphorbia tithymaloides angustifolia
Number of Varieties
Not Available
Habitat
Old fields, Open grasslands
subtropical regions, Tropical regions
USDA Hardiness Zone
5-8
9-13
AHS Heat Zone
8-1
Not Available
Sunset Zone
1a, 1b, 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
Clump-Forming
Upright/Erect
Flower Color
Yellow
Purple, Orange, Pink, Magenta
Flower Color Modifier
Bicolor
Not Available
Fruit Color
Non Fruiting Plant
Not Available
Leaf Color in Spring
Green
Green, Gray Green, Burgundy
Leaf Color in Summer
Green
Green, Gray Green
Leaf Color in Fall
Green
Green, Gray Green
Leaf Color in Winter
Light Green
Green, Gray Green
Plant Season
Summer
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Early Summer, Summer, Late Summer
Late Spring, Early Summer, Summer, Indeterminate
Tolerances
Variety of soil types
Drought
Where to Plant?
Container, Ground, Pot
Container, Ground, Pot
How to Plant?
Divison, Seedlings, Stem Planting
Seedlings, Softwood cuttings
Plant Maintenance
Low
Medium
Watering Requirements
Average Water Needs, Do Not over Water, Never Over-water, Requires regular watering, Water more in summer
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 pH
Acidic, Neutral, Alkaline
Neutral, Alkaline
Soil Type
Loam, Sand
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 dead or diseased plant parts
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, fertilize in growing season
All-Purpose Liquid Fertilizer
Pests and Diseases
Slugs, Snails
Red blotch
Plant Tolerance
Variety of soil types
Drought
Flower Petal Number
Single
Single
Foliage Texture
Fine
Bold
Foliage Sheen
Matte
Matte
Attracts
Insects
Hummingbirds
Allergy
Abdominal pain, Constipation, Diarrhea, Skin irritation
Carcinogenic, Diarrhea, Skin irritation, Toxic
Aesthetic Uses
Beautification, Borders, Landscape Designing, Showy Purposes
Cottage Garden, Showy Purposes
Beauty Benefits
Good for skin, Making cosmetics, Stops hair loss
Skin Problems
Environmental Uses
Air purification, Food for insects, Versatility
Air purification
Medicinal Uses
Eczema
Asthma, Emetic, Inflammation, Intestinal worms
Part of Plant Used
Root
Leaves, Root
Other Uses
Decoration Purposes, Medicinal oil, Showy Purposes, Used as Ornamental plant, Used for its medicinal properties
Tea-like beverage can be brewed, Used as Ornamental plant, Used for its medicinal properties
Used As Indoor Plant
Yes
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Edging, Feature Plant, Groundcover, Mixed Border
Container, Houseplant, Mixed Border, Rock Garden, Wall, Tropical
Botanical Name
Primula veris
Euphorbia tithymaloides
Common Name
cowslip, common cowslip, cowslip primrose
Devil's Backbone
In Hindi
cowslip primrose
Devil's Backbone
In German
Echte Schlüsselblume
Devil's Backbone
In French
Brérelle, le Coqueluchon, le Coucou, l’Herbe à la paralysie, l’Herbe de saint Paul, la Primerolle, la Primevère de printemps ou la Printanière
Backbone du Diable
In Spanish
Primula veris
El espinazo del diablo
In Greek
πασχαλίτσα primrose
Devil's Backbone
In Portuguese
prímula cowslip
Espinha do Diabo
In Polish
Pierwiosnek lekarski
Kręgosłup diabła
In Latin
cowslip Primrose
Narum diaboli
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Myrtales
Malpighiales
Family
Onagraceae
Crassulaceae
Genus
Oenothera
Euphorbia
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
Onagreae
Euphorbieae
Subfamily
Onagroideae
Euphorbioideae
Season and Care of Cowslip Primrose and Devils Backbone
Season and care of Cowslip Primrose and Devils Backbone is important to know. While considering everything about Cowslip Primrose and Devils Backbone Care, growing season is an essential factor. Cowslip Primrose season is Summer and Devils Backbone season is Summer. The type of soil for Cowslip Primrose is Loam, Sand and for Devils Backbone is Loam, Sand while the PH of soil for Cowslip Primrose is Acidic, Neutral, Alkaline and for Devils Backbone is Neutral, Alkaline.
Cowslip Primrose and Devils Backbone Physical Information
Cowslip Primrose and Devils Backbone physical information is very important for comparison. Cowslip Primrose height is 25.00 cm and width 50.00 cm whereas Devils Backbone height is 90.00 cm and width 30.00 cm. The color specification of Cowslip Primrose and Devils Backbone are as follows:
Cowslip Primrose flower color: Yellow
Cowslip Primrose leaf color: Green
Devils Backbone flower color: Purple, Orange, Pink and Magenta
- Devils Backbone leaf color: Green, Gray Green and Burgundy
Care of Cowslip Primrose and Devils Backbone
Care of Cowslip Primrose and Devils Backbone include pruning, fertilizers, watering etc. Cowslip Primrose pruning is done Remove damaged leaves, Remove dead branches, Remove dead leaves and Remove dead or diseased plant parts and Devils Backbone pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves. In summer Cowslip Primrose needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Devils Backbone needs Lots of watering and in winter, it needs Average Water.