Life Span
Perennial
Perennial
Type
Tree
Fruit
Origin
United States, California
Western Europe
Types
-
Pyrus amygdaliformis, Pyrus armeniacifolia, Pyrus bourgaeana
Number of Varieties
825
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Dappled Shade, Sunny Edge, Woodland Garden Secondary
USDA Hardiness Zone
6-95-9
0
99
👆🏻
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 cm101.60 cm
0
3900
👆🏻
Minimum Width
1,370.00 cm38.10 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
-
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green, Blue Green
-
Leaf Color in Summer
Green, Blue Green
-
Leaf Color in Fall
Yellow, Orange, Pink
-
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Irregular
Oblong
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Slow
Slow
Type of Soil
-
Loam
The pH of Soil
-
Acidic, Neutral
Soil Drainage
-
Well drained
Bloom Time
Spring
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Medium
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
-
Acidic, Neutral
Soil Type
-
Loam
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 crossing or rubbing branches, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought
Drought
Flowers
✔
✘
✔
✘
Flower Petal Number
-
-
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
-
Foliage Sheen
-
-
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Birds
Allergy
Pollen
Itchiness, Mouth itching, Pollen, Sore Throat
Uses
Aesthetic Uses
Borders
-
Beauty Benefits
-
Good for skin and hair
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
Air purification, Nesting sites for birds, Shadow Tree, Windbreak
Plant Benefits
Medicinal Uses
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
Analgesic, Diuretic, Heart problems, High cholestrol, Stomach pain, Weight loss
Part of Plant Used
Leaves, Seeds, Wood
Fruits, Wood
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Used as a dye, Used for woodware
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Feature Plant, Fruit / Fruit Tree
Botanical Name
QUERCUS douglasii
PYRUS 'Bosc'
Common Name
Blue Oak
Bosc Pear, Pear
In Hindi
Blue Oak Tree
Bosc Pear Tree
In German
Blaue Eiche
Bosc Pear Tree
In French
Bleu Oak Tree
Bosc Pear Tree
In Spanish
Azul del árbol de roble
Bosc Pear Tree
In Greek
Μπλε Oak Tree
Bosc Pear Tree
In Portuguese
Carvalho azul
Bosc Pear Tree
In Polish
Niebieski Oak Tree
Bosc Pear Tree
In Latin
Blue quercum ligno
Orbis Bosc ligno
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Rosales
Family
Fagaceae
Rosaceae
Genus
Quercus
Pyrus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
Maleae
Subfamily
-
Amygdaloideae
Number of Species
2024
1
27800
👆🏻