Life Span
Perennial
  
Perennial
  
Type
Tree
  
Cactus or Succulent
  
Origin
United States, California
  
Mexico
  
Types
Not Available
  
Not Available
  
Habitat
Woodland Garden Canopy
  
Desert
  
USDA Hardiness Zone
6-9
  
8-12
  
AHS Heat Zone
9-1
  
12-5
  
Sunset Zone
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
  
H1, H2, 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
  
Habit
Spreading
  
Upright/Erect
  
Plant Size
  
  
Minimum Height
1,520.00 cm
  
28
Minimum Width
1,370.00 cm
  
12
Plant Color
  
  
Flower Color
Red, Yellow green
  
Yellow, Red, Orange
  
Flower Color Modifier
Bicolor
  
Not Available
  
Fruit Color
Not Available
  
Reddish Plum
  
Leaf Color in Spring
Green, Blue Green
  
Green
  
Leaf Color in Summer
Green, Blue Green
  
Green
  
Leaf Color in Fall
Yellow, Orange, Pink
  
Green
  
Leaf Color in Winter
Not Available
  
Green
  
Shape
  
  
Leaf Shape
Irregular
  
Globe shaped
  
Thorns
No
  
Yes
  
Plant Season
Spring, Summer, Fall, Winter
  
Spring, Summer, Fall, Winter
  
Growing Conditions
  
  
Sunlight
Full Sun, Partial Sun
  
Full Sun, Partial Sun
  
Growth Rate
Slow
  
Medium
  
Type of Soil
Not Available
  
Loamy, Sandy, Well drained
  
The pH of Soil
Not Available
  
Acidic, Neutral, Alkaline
  
Soil Drainage
Not Available
  
Well drained
  
Bloom Time
Spring
  
Spring, Late Spring, Early Summer
  
Repeat Bloomer
No
  
No
  
Tolerances
Drought
  
Drought, Salt
  
Where to Plant?
Ground
  
Ground, Pot
  
How to Plant?
Seedlings
  
Grafting, Seedlings, Transplanting
  
Plant Maintenance
Medium
  
Medium
  
Watering Plants
  
  
Watering Requirements
Average Water Needs
  
Does not require lot of watering, Water once every two or three weeks, Water when soil is dry
  
In Summer
Lots of watering
  
Lots of watering
  
In Spring
Moderate
  
Moderate
  
In Winter
Average Water
  
Average Water
  
Soil
  
  
Soil pH
Not Available
  
Acidic, Neutral, Alkaline
  
Soil Type
Not Available
  
Clay, Loam, Sand
  
Soil Drainage Capacity
Not Available
  
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
  
Prune if you want to improve plant shape, Prune ocassionally, Remove dead leaves
  
Fertilizers
All-Purpose Liquid Fertilizer
  
All-Purpose Liquid Fertilizer
  
Pests and Diseases
Red blotch
  
Aphids, Caterpillars, Cochineal insect, Mealybugs, Nematodes, Red spider mite, Rodent, Root rot, Scale, Slugs, Snails, Thripes, Viruses, Worms
  
Plant Tolerance
Drought
  
Drought
  
Flowers
Insignificant
  
Showy
  
Flower Petal Number
Not Available
  
Single
  
Fruits
  
  
Showy Fruit
Yes
  
Yes
  
Edible Fruit
No
  
Yes
  
Fragrance
  
  
Fragrant Flower
No
  
No
  
Fragrant Fruit
No
  
No
  
Fragrant Leaf
No
  
No
  
Fragrant Bark/Stem
No
  
No
  
Showy Foliage
Yes
  
Yes
  
Showy Bark
Yes
  
No
  
Foliage Texture
Medium
  
Bold
  
Foliage Sheen
Not Available
  
Matte
  
Evergreen
No
  
No
  
Invasive
No
  
Sometimes
  
Self-Sowing
Yes
  
No
  
Attracts
Birds
  
Aphids, Birds, Rodents
  
Allergy
Pollen
  
Not Available
  
Uses
  
  
Aesthetic Uses
Borders
  
Cottage Garden, Showy Purposes
  
Beauty Benefits
Not Available
  
Nourishes scalp, Reduce Bruises, Remove blemishes
  
Edible Uses
Yes
  
Yes
  
Environmental Uses
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
  
Air purification
  
Plant Benefits
  
  
Medicinal Uses
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
  
Antioxidants, Diabetes, Diarrhea, Hangover
  
Part of Plant Used
Leaves, Seeds, Wood
  
Flowers, Leaves
  
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
  
Biomass for fuel, Employed in herbal medicine, Fine spines and trichomes are used as fiber for weaving, Oil is used for aromatherapy, Showy Purposes, Used As Food, Used as Ornamental plant, Used in construction, Used in Furniture
  
Used As Indoor Plant
No
  
No
  
Used As Outdoor Plant
Yes
  
Yes
  
Garden Design
Feature Plant, Shade Trees, Street Trees
  
Container, Feature Plant, Fruit, Fruit Tree, Hedges, Houseplant, Mixed Border, Rock Garden, Wall
  
Botanical Name
QUERCUS douglasii
  
OPUNTIA ficus-indica
  
Common Name
Blue Oak
  
Indian fig opuntia, Barbary fig, cactus pear, spineless cactus
  
In Hindi
Blue Oak Tree
  
Opuntia ficus-indica
  
In German
Blaue Eiche
  
Opuntia ficus-indica
  
In French
Bleu Oak Tree
  
Opuntia ficus-indica
  
In Spanish
Azul del árbol de roble
  
Opuntia ficus-indica
  
In Greek
Μπλε Oak Tree
  
Φραγκοσυκιά
  
In Portuguese
Carvalho azul
  
Opuntia ficus-indica
  
In Polish
Niebieski Oak Tree
  
Opuntia ficus-indica
  
In Latin
Blue quercum ligno
  
Opuntia ficus-indica
  
Kingdom
Plantae
  
Plantae
  
Phylum
Magnoliophyta
  
Magnoliophyta
  
Class
Magnoliopsida
  
Magnoliopsida
  
Order
Fagales
  
Caryophyllales
  
Family
Fagaceae
  
Cactaceae
  
Genus
Quercus
  
Opuntia Mill
  
Clade
Angiosperms, Eudicots, Rosids
  
Angiosperms, Eudicots
  
Tribe
Not Available
  
Opuntieae
  
Subfamily
Not Available
  
Opuntioideae
  
Number of Species
Not Available
  
Not Available