Life Span
Perennial
Perennial
Type
Tree
Perennial
Origin
United States, California
-
Types
-
Pyrus pyrifolia
Number of Varieties
81
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Hedge, hedge rows, Woodland edges
USDA Hardiness Zone
6-94-9
0
99
👆🏻
AHS Heat Zone
9-1
9-1
Sunset Zone
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
Habit
Spreading
Upright/Erect
Plant Size
Minimum Height
1,520.00 cm300.00 cm
0
3900
👆🏻
Minimum Width
1,370.00 cm300.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
White
Flower Color Modifier
Bicolor
-
Fruit Color
-
Light Red, Orange, Yellow
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
-
Light Green
Shape
Leaf Shape
Irregular
Elliptic
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Slow
Medium
Type of Soil
-
Loam, Sand
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
Average Water Needs, Do not water frequently
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, Sand
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
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
-
Allergy
Pollen
-
Uses
Aesthetic Uses
Borders
-
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
Astringent, Febrifuge
Part of Plant Used
Leaves, Seeds, Wood
Flowers, Stem
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Planted in shelterbeds, Used for woodware
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Edible, Fruit / Fruit Tree
Botanical Name
QUERCUS douglasii
PYRUS 'Ayers'
Common Name
Blue Oak
Ayers Pear, Pear
In Hindi
Blue Oak Tree
Ayers Pear
In German
Blaue Eiche
Ayers Birne
In French
Bleu Oak Tree
Ayers Poire
In Spanish
Azul del árbol de roble
Ayers pera
In Greek
Μπλε Oak Tree
Ayers Pear
In Portuguese
Carvalho azul
Ayers Pear
In Polish
Niebieski Oak Tree
Ayers Gruszka
In Latin
Blue quercum ligno
Ayro Orbis
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Rosales
Family
Fagaceae
Rosaceae
Genus
Quercus
Pyrus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
2030
1
27800
👆🏻