Life Span
Perennial
  
Perennial
  
Type
Tree
  
Vegetable
  
Origin
United States, California
  
World/Pandemic, North America, Europe, Russia/Siberia, Northern Africa, Asia, India
  
Types
Not Available
  
Not Available
  
Number of Varieties
Not Available
  
Habitat
Woodland Garden Canopy
  
Cropland, Farms, gardens
  
USDA Hardiness Zone
6-9
  
Not Available
  
AHS Heat Zone
9-1
  
Not Available
  
Sunset Zone
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
  
A1, A2, A3, H1, H2, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
  
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, Yellow green
  
Flower Color Modifier
Bicolor
  
Bicolor
  
Fruit Color
Not Available
  
Not Available
  
Leaf Color in Spring
Green, Blue Green
  
Not Available
  
Leaf Color in Summer
Green, Blue Green
  
Green, Gray Green
  
Leaf Color in Fall
Yellow, Orange, Pink
  
Green, Gray Green, Yellow green
  
Leaf Color in Winter
Not Available
  
Not Available
  
Shape
  
  
Leaf Shape
Irregular
  
Linear
  
Thorns
No
  
No
  
Plant Season
Spring, Summer, Fall, Winter
  
Not Available
  
Growing Conditions
  
  
Sunlight
Full Sun, Partial Sun
  
Full Sun, Partial Sun
  
Growth Rate
Slow
  
Fast
  
Type of Soil
Not Available
  
Loam, Sand
  
The pH of Soil
Not Available
  
Neutral
  
Soil Drainage
Not Available
  
Well drained
  
Bloom Time
Spring
  
Late Spring, Early Summer
  
Repeat Bloomer
No
  
No
  
Tolerances
Drought
  
Drought
  
Where to Plant?
Ground
  
Ground, Pot
  
How to Plant?
Seedlings
  
Seedlings, Sets
  
Plant Maintenance
Medium
  
Medium
  
Watering Plants
  
  
Watering Requirements
Average Water Needs
  
Keep the ground moist but not water-logged, Requires a lot of watering, Water twice a day in the initial period
  
In Summer
Lots of watering
  
Lots of watering
  
In Spring
Moderate
  
Moderate
  
In Winter
Average Water
  
Average Water
  
Soil
  
  
Soil pH
Not Available
  
Neutral
  
Soil Type
Not Available
  
Loam, Sand
  
Soil Drainage Capacity
Not Available
  
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
Not Available
  
Single
  
Fruits
  
  
Showy Fruit
Yes
  
No
  
Edible Fruit
No
  
No
  
Fragrance
  
  
Fragrant Flower
No
  
Yes
  
Fragrant Fruit
No
  
No
  
Fragrant Leaf
No
  
Yes
  
Fragrant Bark/Stem
No
  
Yes
  
Showy Foliage
Yes
  
No
  
Showy Bark
Yes
  
No
  
Foliage Texture
Medium
  
Medium
  
Foliage Sheen
Not Available
  
Matte
  
Evergreen
No
  
No
  
Invasive
No
  
No
  
Self-Sowing
Yes
  
No
  
Attracts
Birds
  
Not Available
  
Allergy
Pollen
  
no allergic reactions
  
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
  
Asthma, Bronchitis, cholesterol-lowering, Cough, Diabetes, Digestion problems, Diuretic, High blood pressure
  
Part of Plant Used
Leaves, Seeds, Wood
  
Whole plant
  
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
  
Culinary use
  
Used As Indoor Plant
No
  
Yes
  
Used As Outdoor Plant
Yes
  
Yes
  
Garden Design
Feature Plant, Shade Trees, Street Trees
  
Edible, Herb / Vegetable
  
Botanical Name
QUERCUS douglasii
  
ALLIUM cepa 'Burgundy'
  
Common Name
Blue Oak
  
Garden Onion, Red Onion
  
In Hindi
Blue Oak Tree
  
लाल प्याज
  
In German
Blaue Eiche
  
Rote Zwiebel
  
In French
Bleu Oak Tree
  
Oignon rouge
  
In Spanish
Azul del árbol de roble
  
Cebolla roja
  
In Greek
Μπλε Oak Tree
  
Κόκκινο κρεμμύδι
  
In Portuguese
Carvalho azul
  
Cebola vermelha
  
In Polish
Niebieski Oak Tree
  
Czerwona cebula
  
In Latin
Blue quercum ligno
  
Red Cepa
  
Kingdom
Plantae
  
Plantae
  
Phylum
Magnoliophyta
  
Magnoliophyta
  
Class
Magnoliopsida
  
Liliopsida
  
Order
Fagales
  
Liliales
  
Family
Fagaceae
  
Liliaceae
  
Genus
Quercus
  
Allium
  
Clade
Angiosperms, Eudicots, Rosids
  
Angiosperms, Monocots
  
Tribe
Not Available
  
Not Available
  
Subfamily
Not Available
  
Allioideae
  
Number of Species
Not Available
  
Not Available
  
Season and Care of Blue Oak and Red Onion
Season and care of Blue Oak and Red Onion is important to know. While considering everything about Blue Oak and Red Onion Care, growing season is an essential factor. Blue Oak season is Spring, Summer, Fall and Winter and Red Onion season is Spring, Summer, Fall and Winter. The type of soil for Blue Oak is Not Available and for Red Onion is Loam, Sand while the PH of soil for Blue Oak is Not Available and for Red Onion is Neutral.
Blue Oak and Red Onion Physical Information
Blue Oak and Red Onion physical information is very important for comparison. Blue Oak height is 1,520.00 cm and width 1,370.00 cm whereas Red Onion height is 60.00 cm and width 10.20 cm. The color specification of Blue Oak and Red Onion are as follows:
Blue Oak flower color: Red and Yellow green
Blue Oak leaf color: Green and Blue Green
Red Onion flower color: White and Yellow green
- Red Onion leaf color: Not Available
Care of Blue Oak and Red Onion
Care of Blue Oak and Red Onion 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 Red Onion pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves. In summer Blue Oak needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Red Onion needs Lots of watering and in winter, it needs Average Water.