Life Span
Perennial
  
Perennial
  
Type
Tree
  
Flowering Plants, Fruits, Herbs, Shrubs
  
Origin
United States, California
  
Australia, South America
  
Types
Not Available
  
Adams Elderberry, Black Beauty Elderberry, Black Lace Elderberry, Johns Elderberry, Nova Elderberry
  
Number of Varieties
Not Available
  
Habitat
Woodland Garden Canopy
  
Farms, Homesteads, Near organic waste disposal
  
USDA Hardiness Zone
6-9
  
4-8
  
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
  
2a, 2b, 3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
  
Habit
Spreading
  
Upright/Erect
  
Plant Size
  
  
Minimum Height
1,520.00 cm
  
28
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
  
Purple, Red
  
Leaf Color in Spring
Green, Blue Green
  
Green
  
Leaf Color in Summer
Green, Blue Green
  
Green
  
Leaf Color in Fall
Yellow, Orange, Pink
  
Yellow green
  
Leaf Color in Winter
Not Available
  
Not Available
  
Shape
  
  
Leaf Shape
Irregular
  
Compound
  
Thorns
No
  
No
  
Plant Season
Spring, Summer, Fall, Winter
  
Early Spring
  
Growing Conditions
  
  
Sunlight
Full Sun, Partial Sun
  
Full Sun, Part sun
  
Growth Rate
Slow
  
Medium
  
Type of Soil
Not Available
  
Loamy, Sandy, Well drained
  
The pH of Soil
Not Available
  
Slightly Acidic
  
Soil Drainage
Not Available
  
Average
  
Bloom Time
Spring
  
Early Spring, Spring
  
Repeat Bloomer
No
  
No
  
Tolerances
Drought
  
Pollution
  
Where to Plant?
Ground
  
Ground
  
How to Plant?
Seedlings
  
Grafting, Seedlings
  
Plant Maintenance
Medium
  
Medium
  
Watering Plants
  
  
Watering Requirements
Average Water Needs
  
Requires regular watering, Use Mulches to help prevent water loss during hot and windy weather
  
In Summer
Lots of watering
  
Lots of watering
  
In Spring
Moderate
  
Moderate
  
In Winter
Average Water
  
Average Water
  
Soil
  
  
Soil pH
Not Available
  
Slightly Acidic
  
Soil Type
Not Available
  
Loamy, Sandy, Well drained
  
Soil Drainage Capacity
Not Available
  
Average
  
Sun Exposure
Full Sun, Partial Sun
  
Full Sun, Part sun
  
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
  
Cut or pinch the stems, No pruning needed in the early stages, Prune for shortening long shoots, Prune if you want to improve plant shape, Prune in winter, Prune ocassionally, Remove deadheads
  
Fertilizers
All-Purpose Liquid Fertilizer
  
All-Purpose Liquid Fertilizer
  
Pests and Diseases
Red blotch
  
Canker, Leaf spot, Powdery mildew, Stem spot, Tomato Ringspot Virus
  
Plant Tolerance
Drought
  
Drought
  
Flowers
Insignificant
  
Yes
  
Flower Petal Number
Not Available
  
Single
  
Fruits
  
  
Showy Fruit
Yes
  
No
  
Edible Fruit
No
  
No
  
Fragrance
  
  
Fragrant Flower
No
  
No
  
Fragrant Fruit
No
  
No
  
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
  
Matte
  
Evergreen
No
  
No
  
Invasive
No
  
Sometimes
  
Self-Sowing
Yes
  
No
  
Attracts
Birds
  
Birds
  
Allergy
Pollen
  
Diarrhea, Nausea, Vomiting
  
Uses
  
  
Aesthetic Uses
Borders
  
Not Used For Aesthetic Purpose
  
Beauty Benefits
Not Available
  
Not Available
  
Edible Uses
Yes
  
Yes
  
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
  
constipation, Fever, Heart problems, High cholestrol, HIV/AIDS, Nerve pain, swine flu
  
Part of Plant Used
Leaves, Seeds, Wood
  
Flowers, Fruits
  
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
  
Not Available
  
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
  
Sambucus nigra
  
Common Name
Blue Oak
  
Elderberry
  
In Hindi
Blue Oak Tree
  
Elderberry
  
In German
Blaue Eiche
  
Holunderbeere
  
In French
Bleu Oak Tree
  
Sureau
  
In Spanish
Azul del árbol de roble
  
Saúco
  
In Greek
Μπλε Oak Tree
  
Elderberry
  
In Portuguese
Carvalho azul
  
Sabugueiro
  
In Polish
Niebieski Oak Tree
  
Bez czarny
  
In Latin
Blue quercum ligno
  
Elderberry
  
Kingdom
Plantae
  
Plantae
  
Phylum
Magnoliophyta
  
Magnoliophyta
  
Class
Magnoliopsida
  
Magnoliopsida
  
Order
Fagales
  
Dipsacales
  
Family
Fagaceae
  
Adoxaceae
  
Genus
Quercus
  
Sambucus
  
Clade
Angiosperms, Eudicots, Rosids
  
Angiosperms, Asterids, Eudicots
  
Tribe
Not Available
  
Not Available
  
Subfamily
Not Available
  
Not Available
  
Number of Species
Not Available
  
Season and Care of Blue Oak and Elderberry
Season and care of Blue Oak and Elderberry is important to know. While considering everything about Blue Oak and Elderberry Care, growing season is an essential factor. Blue Oak season is Spring, Summer, Fall and Winter and Elderberry season is Spring, Summer, Fall and Winter. The type of soil for Blue Oak is Not Available and for Elderberry is Loamy, Sandy, Well drained while the PH of soil for Blue Oak is Not Available and for Elderberry is Slightly Acidic.
Blue Oak and Elderberry Physical Information
Blue Oak and Elderberry physical information is very important for comparison. Blue Oak height is 1,520.00 cm and width 1,370.00 cm whereas Elderberry height is 9.00 cm and width 8.00 cm. The color specification of Blue Oak and Elderberry are as follows:
Blue Oak flower color: Red and Yellow green
Blue Oak leaf color: Green and Blue Green
Elderberry flower color: White
- Elderberry leaf color: Green
Care of Blue Oak and Elderberry
Care of Blue Oak and Elderberry 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 Elderberry pruning is done Cut or pinch the stems, No pruning needed in the early stages, Prune for shortening long shoots, Prune if you want to improve plant shape, Prune in winter, Prune ocassionally and Remove deadheads. In summer Blue Oak needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Elderberry needs Lots of watering and in winter, it needs Average Water.