Life Span
Perennial
Perennial
Type
Tree
Needled or Scaled Evergreen
Origin
United States, California
Western United States
Types
-
Norway Spruce, White Spruce, Picea omorika
Number of Varieties
835
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Rocky areas, stream banks, Woodland Garden Canopy
USDA Hardiness Zone
6-92-8
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
A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17
Habit
Spreading
Pyramidal
Plant Size
Minimum Height
1,520.00 cm1,200.00 cm
0
3900
👆🏻
Minimum Width
1,370.00 cm900.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
Green, Orange, Purple
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Brown
Leaf Color in Spring
Green, Blue Green
Green, Blue Green, Steel Blue
Leaf Color in Summer
Green, Blue Green
Green, Blue Green, Steel Blue
Leaf Color in Fall
Yellow, Orange, Pink
Green, Blue Green, Steel Blue
Leaf Color in Winter
-
Blue Green, Gray Green, Steel Blue
Shape
Leaf Shape
Irregular
Needle like
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Slow
Medium
Type of Soil
-
Loam
The pH of Soil
-
Acidic, Neutral
Soil Drainage
-
Average
Bloom Time
Spring
Early Spring, Late Spring, Mid Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Seedlings, Semi-ripe cuttings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Average Water Needs, Do Not over Water, Requires regular watering
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
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
Prune in winter, Remove crossing or rubbing branches, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Fertilizers
All-Purpose Liquid Fertilizer
Apply 10-10-10 amount, slow-release fertilizers
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought
Drought
Flowers
✔
✘
✔
✘
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
Birds
Allergy
Pollen
allergic reaction, Anaphylaxis, Asthma, Hay fever, Pollen, Respiratory problems, Runny nose, Watery eyes
Uses
Aesthetic Uses
Borders
Showy Purposes, Used as Christmas tree
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
Air purification, Windbreak
Plant Benefits
Medicinal Uses
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
-
Part of Plant Used
Leaves, Seeds, Wood
Flowers, Inner Bark, Seeds
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Paper pulp, Wood is used in construction
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Container, Feature Plant, Foundation, Mixed Border, Rock Garden, Wall, Screening, Wind Break
Botanical Name
QUERCUS douglasii
PICEA pungens
Common Name
Blue Oak
Colorado blue spruce
In Hindi
Blue Oak Tree
Blue Spruce Tree
In German
Blaue Eiche
Blue Spruce Baum
In French
Bleu Oak Tree
Blue Spruce Arbre
In Spanish
Azul del árbol de roble
Blue Spruce Árbol
In Greek
Μπλε Oak Tree
Blue Spruce Tree
In Portuguese
Carvalho azul
Árvore Spruce azul
In Polish
Niebieski Oak Tree
Blue Spruce Drzewo
In Latin
Blue quercum ligno
Blue abiegnis
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Coniferophyta
Class
Magnoliopsida
Pinopsida
Order
Fagales
Pinales
Family
Fagaceae
Pinaceae
Genus
Quercus
Picea
Clade
Angiosperms, Eudicots, Rosids
-
Tribe
-
-
Subfamily
-
Piceoideae
Number of Species
2035
1
27800
👆🏻