Life Span
Perennial
Perennial
Origin
United States, California
Europe, Northern Africa, Western Asia
Types
-
Hazelnut, Corylus
Habitat
Woodland Garden Canopy
Lower slopes, Moist woods, Slopes
USDA Hardiness Zone
6-9
4-8
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, 19, 20
Habit
Spreading
Oval or Rounded
Flower Color
Red, Yellow green
Yellow
Flower Color Modifier
Bicolor
Bicolor
Leaf Color in Spring
Green, Blue Green
Green
Leaf Color in Summer
Green, Blue Green
Green, Dark Green
Leaf Color in Fall
Yellow, Orange, Pink
Yellow, Green, Brown
Leaf Shape
Irregular
Cordate
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Type of Soil
-
Clay, Loam, Sand
The pH of Soil
-
Neutral, Alkaline
Bloom Time
Spring
Early Spring, Spring, Late Winter
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Budding, Seedlings
Plant Maintenance
Medium
Medium
Watering Requirements
Average Water Needs
Do not water frequently, Needs less watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
-
Neutral, Alkaline
Soil Type
-
Clay, Loam, Sand
Soil Drainage Capacity
-
Average
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
Foliage Texture
Medium
Coarse
Environmental Uses
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
Air purification
Medicinal Uses
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
antihelmintic, Astringent, Diaphoretic, Febrifuge, Nutrients, Nutritive
Part of Plant Used
Leaves, Seeds, Wood
Seeds
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Basketary, Cosmetics, used for making charcoal
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Shade Trees, Street Trees
Edible, Foundation, Fruit / Fruit Tree, Hedges, Mixed Border, Screening / Wind Break
Botanical Name
QUERCUS douglasii
CORYLUS avellana 'Rote Zellernuss'
Common Name
Blue Oak
Common Filbert, Redleaf Filbert
In Hindi
Blue Oak Tree
हेज़लनट
In German
Blaue Eiche
Haselnuss
In French
Bleu Oak Tree
aveline
In Spanish
Azul del árbol de roble
avellana
In Greek
Μπλε Oak Tree
φουντούκι
In Portuguese
Carvalho azul
avelã
In Polish
Niebieski Oak Tree
leszczyna
In Latin
Blue quercum ligno
Filbert
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Family
Fagaceae
Betulaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Season and Care of Blue Oak and Filbert
Season and care of Blue Oak and Filbert is important to know. While considering everything about Blue Oak and Filbert Care, growing season is an essential factor. Blue Oak season is Spring, Summer, Fall and Winter and Filbert season is Spring, Summer, Fall and Winter. The type of soil for Blue Oak is and for Filbert is Clay, Loam, Sand while the PH of soil for Blue Oak is and for Filbert is Neutral, Alkaline.
Blue Oak and Filbert Physical Information
Blue Oak and Filbert physical information is very important for comparison. Blue Oak height is 1,520.00 cm and width 1,370.00 cm whereas Filbert height is 370.00 cm and width 300.00 cm. The color specification of Blue Oak and Filbert are as follows:
Blue Oak flower color: Red and Yellow green
Blue Oak leaf color: Green and Blue Green
Filbert flower color: Yellow
- Filbert leaf color: Green
Care of Blue Oak and Filbert
Care of Blue Oak and Filbert 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 Filbert 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 Filbert needs Lots of watering and in winter, it needs Average Water.