Life Span
Perennial
Perennial
Origin
United States, California
Madagascar
Types
-
Euphorbia tithymaloides tithymaloides, Euphorbia tithymaloides angustifolia
Habitat
Woodland Garden Canopy
subtropical regions, Tropical regions
USDA Hardiness Zone
6-9
9-13
Sunset Zone
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
H2, 13, 23, 24
Habit
Spreading
Upright/Erect
Flower Color
Red, Yellow green
Purple, Orange, Pink, Magenta
Flower Color Modifier
Bicolor
-
Leaf Color in Spring
Green, Blue Green
Green, Gray Green, Burgundy
Leaf Color in Summer
Green, Blue Green
Green, Gray Green
Leaf Color in Fall
Yellow, Orange, Pink
Green, Gray Green
Leaf Color in Winter
-
Green, Gray Green
Leaf Shape
Irregular
Ovate
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Type of Soil
-
Loam, Sand
The pH of Soil
-
Neutral, Alkaline
Soil Drainage
-
Well drained
Bloom Time
Spring
Late Spring, Early Summer, Summer, Indeterminate
Tolerances
Drought
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings
Seedlings, Softwood cuttings
Plant Maintenance
Medium
Medium
Watering Requirements
Average Water Needs
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
-
Neutral, Alkaline
Soil Drainage Capacity
-
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
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought
Drought
Flowers
Insignificant
Showy
Flower Petal Number
-
Single
Foliage Texture
Medium
Bold
Attracts
Birds
Hummingbirds
Allergy
Pollen
Carcinogenic, Diarrhea, Skin irritation, Toxic
Aesthetic Uses
Borders
Cottage Garden, Showy Purposes
Beauty Benefits
-
Skin Problems
Environmental Uses
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
Air purification
Medicinal Uses
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
Asthma, Emetic, Inflammation, Intestinal worms
Part of Plant Used
Leaves, Seeds, Wood
Leaves, Root
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Tea-like beverage can be brewed, Used as Ornamental plant, Used for its medicinal properties
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Shade Trees, Street Trees
Container, Houseplant, Mixed Border, Rock Garden, Wall, Tropical
Botanical Name
QUERCUS douglasii
Euphorbia tithymaloides
Common Name
Blue Oak
Devil's Backbone
In Hindi
Blue Oak Tree
Devil's Backbone
In German
Blaue Eiche
Devil's Backbone
In French
Bleu Oak Tree
Backbone du Diable
In Spanish
Azul del árbol de roble
El espinazo del diablo
In Greek
Μπλε Oak Tree
Devil's Backbone
In Portuguese
Carvalho azul
Espinha do Diabo
In Polish
Niebieski Oak Tree
Kręgosłup diabła
In Latin
Blue quercum ligno
Narum diaboli
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Malpighiales
Family
Fagaceae
Crassulaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Subfamily
-
Euphorbioideae
Season and Care of Blue Oak and Devils Backbone
Season and care of Blue Oak and Devils Backbone is important to know. While considering everything about Blue Oak and Devils Backbone Care, growing season is an essential factor. Blue Oak season is Spring, Summer, Fall and Winter and Devils Backbone season is Spring, Summer, Fall and Winter. The type of soil for Blue Oak is and for Devils Backbone is Loam, Sand while the PH of soil for Blue Oak is and for Devils Backbone is Neutral, Alkaline.
Blue Oak and Devils Backbone Physical Information
Blue Oak and Devils Backbone physical information is very important for comparison. Blue Oak height is 1,520.00 cm and width 1,370.00 cm whereas Devils Backbone height is 90.00 cm and width 30.00 cm. The color specification of Blue Oak and Devils Backbone are as follows:
Blue Oak flower color: Red and Yellow green
Blue Oak leaf color: Green and Blue Green
Devils Backbone flower color: Purple, Orange, Pink and Magenta
- Devils Backbone leaf color: Green, Gray Green and Burgundy
Care of Blue Oak and Devils Backbone
Care of Blue Oak and Devils Backbone include pruning, fertilizers, watering etc. Blue Oak 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 Blue Oak 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.