Life Span
Perennial
  
Perennial
  
Type
Tree
  
Fruit
  
Origin
United States, California
  
Europe, Western Asia
  
Types
Not Available
  
Green Anjou, Red Anjou, Bartlett
  
Number of Varieties
Not Available
  
Habitat
Woodland Garden Canopy
  
Humid climates, moist forests
  
USDA Hardiness Zone
6-9
  
3-8
  
AHS Heat Zone
9-1
  
9-5
  
Sunset Zone
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
  
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18
  
Habit
Spreading
  
Oval or Rounded
  
Plant Size
  
  
Minimum Height
1,520.00 cm
  
28
1,219.20 cm
  
34
Minimum Width
1,370.00 cm
  
12
Plant Color
  
  
Flower Color
Red, Yellow green
  
White
  
Flower Color Modifier
Bicolor
  
Not Available
  
Fruit Color
Not Available
  
White, Yellow, Red, Green, Yellow green
  
Leaf Color in Spring
Green, Blue Green
  
Light Pink, Red, Green, Light Green
  
Leaf Color in Summer
Green, Blue Green
  
Dark Green
  
Leaf Color in Fall
Yellow, Orange, Pink
  
Purple, Dark Green, Burgundy
  
Leaf Color in Winter
Not Available
  
Light Green
  
Shape
  
  
Leaf Shape
Irregular
  
Oval with a pointed tip and fine teeth along their edges
  
Thorns
No
  
Yes
  
Plant Season
Spring, Summer, Fall, Winter
  
Early Spring, Winter
  
Growing Conditions
  
  
Sunlight
Full Sun, Partial Sun
  
Full Sun
  
Growth Rate
Slow
  
Medium
  
Type of Soil
Not Available
  
Loamy, Sandy
  
The pH of Soil
Not Available
  
Acidic
  
Soil Drainage
Not Available
  
Well drained
  
Bloom Time
Spring
  
Fall, Summer
  
Repeat Bloomer
No
  
No
  
Tolerances
Drought
  
Drought
  
Where to Plant?
Ground
  
Ground
  
How to Plant?
Seedlings
  
Grafting, Seedlings
  
Plant Maintenance
Medium
  
Low
  
Watering Plants
  
  
Watering Requirements
Average Water Needs
  
Medium, Water less during winter, Water more in summer, when new, water every week
  
In Summer
Lots of watering
  
Lots of watering
  
In Spring
Moderate
  
Moderate
  
In Winter
Average Water
  
Average Water
  
Soil
  
  
Soil pH
Not Available
  
Not Available
  
Soil Type
Not Available
  
Not Available
  
Soil Drainage Capacity
Not Available
  
Not Available
  
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
  
Ammonium Nitrate, Fertilize the soil before planting
  
Pests and Diseases
Red blotch
  
Red blotch
  
Plant Tolerance
Drought
  
Drought
  
Flowers
Insignificant
  
Yes
  
Flower Petal Number
Not Available
  
Single
  
Fruits
  
  
Showy Fruit
Yes
  
Yes
  
Edible Fruit
No
  
Yes
  
Fragrance
  
  
Fragrant Flower
No
  
Yes
  
Fragrant Fruit
No
  
Yes
  
Fragrant Leaf
No
  
No
  
Fragrant Bark/Stem
No
  
No
  
Showy Foliage
Yes
  
No
  
Showy Bark
Yes
  
No
  
Foliage Texture
Medium
  
Medium
  
Foliage Sheen
Not Available
  
Glossy
  
Evergreen
No
  
No
  
Invasive
No
  
No
  
Self-Sowing
Yes
  
Yes
  
Attracts
Birds
  
Aphids, Birds, Butterflies, Pear psylla
  
Allergy
Pollen
  
Anaphylaxis, Digestive Problems, Itchiness, Swelling
  
Uses
  
  
Aesthetic Uses
Borders
  
Cottage Garden
  
Beauty Benefits
Not Available
  
Good for skin, Improve skin tone, Making cosmetics, Moisturizing, Skin Problems
  
Edible Uses
Yes
  
Yes
  
Environmental Uses
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
  
Air purification, Shadow Tree
  
Plant Benefits
  
  
Medicinal Uses
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
  
Cancer, Cardiovascular problems, cholesterol-lowering, Detox, Diabetes, Energy, Fiber, Heart problems, High blood pressure, Obesity, Treating diverticulosis, Weight loss
  
Part of Plant Used
Leaves, Seeds, Wood
  
Bark, Fruits, Leaves
  
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
  
Used As Food
  
Used As Indoor Plant
No
  
No
  
Used As Outdoor Plant
Yes
  
Yes
  
Garden Design
Feature Plant, Shade Trees, Street Trees
  
Not Available
  
Botanical Name
QUERCUS douglasii
  
PYRUS communis
  
Common Name
Blue Oak
  
Pear
  
In Hindi
Blue Oak Tree
  
नाशपाती
  
In German
Blaue Eiche
  
Birne
  
In French
Bleu Oak Tree
  
Poire
  
In Spanish
Azul del árbol de roble
  
Pera
  
In Greek
Μπλε Oak Tree
  
Αχλάδι
  
In Portuguese
Carvalho azul
  
Pera
  
In Polish
Niebieski Oak Tree
  
Gruszka
  
In Latin
Blue quercum ligno
  
Orbis
  
Kingdom
Plantae
  
Plantae
  
Phylum
Magnoliophyta
  
Vascular plant
  
Class
Magnoliopsida
  
Magnoliopsida
  
Order
Fagales
  
Rosales
  
Family
Fagaceae
  
Rosaceae
  
Genus
Quercus
  
Pyrus
  
Clade
Angiosperms, Eudicots, Rosids
  
Angiosperms, Eudicots, Rosids
  
Tribe
Not Available
  
Maleae
  
Subfamily
Not Available
  
Amygdaloideae
  
Number of Species
Not Available
  
Season and Care of Blue Oak and Pear
Season and care of Blue Oak and Pear is important to know. While considering everything about Blue Oak and Pear Care, growing season is an essential factor. Blue Oak season is Spring, Summer, Fall and Winter and Pear season is Spring, Summer, Fall and Winter. The type of soil for Blue Oak is Not Available and for Pear is Loamy, Sandy while the PH of soil for Blue Oak is Not Available and for Pear is Acidic.
Blue Oak and Pear Physical Information
Blue Oak and Pear physical information is very important for comparison. Blue Oak height is 1,520.00 cm and width 1,370.00 cm whereas Pear height is 1,219.20 cm and width 800.00 cm. The color specification of Blue Oak and Pear are as follows:
Care of Blue Oak and Pear
Care of Blue Oak and Pear 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 Pear 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 Pear needs Lots of watering and in winter, it needs Average Water.