Life Span
Perennial
Perennial
Type
Tree
Shrub
Origin
United States, California
Eastern Asia, China, Japan, Korea
Types
-
Elaeagnus umbellata
Number of Varieties
815
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Dappled Shade, Hedge, Sunny Edge, Woodland Garden
USDA Hardiness Zone
6-93-8
0
99
👆🏻
AHS Heat Zone
9-1
8-1
Sunset Zone
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
-
Habit
Spreading
Oval or Rounded
Plant Size
Minimum Height
1,520.00 cm370.00 cm
0
3900
👆🏻
Minimum Width
1,370.00 cm240.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
Light Yellow, Silver
Flower Color Modifier
Bicolor
-
Fruit Color
-
Red
Leaf Color in Spring
Green, Blue Green
Green, Light Green, Gray Green, Silver
Leaf Color in Summer
Green, Blue Green
Green, Gray Green, Silver
Leaf Color in Fall
Yellow, Orange, Pink
Green, Gold, Tan, Silver
Leaf Color in Winter
-
-
Shape
Leaf Shape
Irregular
Lance shaped
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Slow
Fast
Type of Soil
-
Clay, Loam, Sand
The pH of Soil
-
Acidic, Neutral, Alkaline
Soil Drainage
-
Average
Bloom Time
Spring
Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Pollution, Drought, Salt
Where to Plant?
Ground
Ground, Pot
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Average Water Needs
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
-
Clay, Loam, Sand
Soil Drainage Capacity
-
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
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
No fertilizers needed
Pests and Diseases
Red blotch
Leaf spot
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
-
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Birds, Hummingbirds, Butterflies
Allergy
Pollen
Mild Allergen
Uses
Aesthetic Uses
Borders
Informal Hedge
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
Fixes Nitrogen
Plant Benefits
Medicinal Uses
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
Astringent, Cancer, Cardiac, Pectoral
Part of Plant Used
Leaves, Seeds, Wood
Fruits, Seeds
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Jam, Used for making informal hedge
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Edible, Foundation, Mixed Border, Screening, Wind Break
Botanical Name
QUERCUS douglasii
ELAEAGNUS umbellata
Common Name
Blue Oak
Autumn olive, Autumn elaeagnus, Spreading oleaster
In Hindi
Blue Oak Tree
Autumn Olive
In German
Blaue Eiche
Herbst Olive
In French
Bleu Oak Tree
Automne Olive
In Spanish
Azul del árbol de roble
Otoño de oliva
In Greek
Μπλε Oak Tree
φθινόπωρο Ελιά
In Portuguese
Carvalho azul
Outono Olive
In Polish
Niebieski Oak Tree
Jesień Olive
In Latin
Blue quercum ligno
Autumnus Olive
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Rhamnales
Family
Fagaceae
Elaeagnaceae
Genus
Quercus
Elaeagnus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
2050
1
27800
👆🏻