Life Span
Perennial
Perennial
Type
Tree
Tree
Origin
United States, California
Eastern Asia
Types
-
Pyrus calleryana
Number of Varieties
86
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Rural areas, Suburban areas, Urban areas
USDA Hardiness Zone
6-94-8
0
99
👆🏻
AHS Heat Zone
9-1
8-3
Sunset Zone
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
Habit
Spreading
Pyramidal
Plant Size
Minimum Height
1,520.00 cm910.00 cm
0
3900
👆🏻
Minimum Width
1,370.00 cm760.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Sandy Brown
Leaf Color in Spring
Green, Blue Green
Dark Green
Leaf Color in Summer
Green, Blue Green
Dark Green
Leaf Color in Fall
Yellow, Orange, Pink
Red, Burgundy
Leaf Color in Winter
-
-
Shape
Leaf Shape
Irregular
Ovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Slow
Medium
Type of Soil
-
Loam, Sand
The pH of Soil
-
Acidic, Neutral, Alkaline
Soil Drainage
-
Average
Bloom Time
Spring
Early Spring, Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Pollution, Drought, Salt, Soil Compaction
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Seedlings, Stem Planting, Transplanting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Average Water Needs, Do not water frequently, Needs watering once a week, Never Over-water, Requires watering in the growing season, Water once every two or three weeks
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
-
Acidic, Neutral, Alkaline
Soil Type
-
Loam, Sand
Soil Drainage Capacity
-
Average
Sun Exposure
Full Sun, Partial Sun
Full 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, Remove dead leaves, Remove deadheads, Remove hanging branches
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
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Medium
Foliage Sheen
-
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Birds
Allergy
Pollen
Asthma
Uses
Aesthetic Uses
Borders
Beautification, Landscape Designing, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
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
-
Part of Plant Used
Leaves, Seeds, Wood
Stem
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Decoration Purposes, Showy Purposes, Used as Ornamental plant, Used in Furniture
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Feature Plant, Shade Trees, Street Trees
Botanical Name
QUERCUS douglasii
PYRUS calleryana
Common Name
Blue Oak
Callery Pear
In Hindi
Blue Oak Tree
Callery नाशपाती
In German
Blaue Eiche
Callery Pear
In French
Bleu Oak Tree
Callery pear
In Spanish
Azul del árbol de roble
Callery Pear
In Greek
Μπλε Oak Tree
Callery Αχλάδι
In Portuguese
Carvalho azul
Callery Pear
In Polish
Niebieski Oak Tree
Callery Gruszka
In Latin
Blue quercum ligno
Callery Pirum
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheobionta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Rosales
Family
Fagaceae
Rosaceae
Genus
Quercus
Pyrus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
2022
1
27800
👆🏻