Life Span
Perennial
Perennial
Type
Tree
Needled or Scaled Evergreen
Origin
United States, California
North America, United States, Western United States, Northwestern United States, California, Canada
Types
-
mexicana , white spruce
Number of Varieties
82
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Alpine Meadows
USDA Hardiness Zone
6-93-7
0
99
👆🏻
AHS Heat Zone
9-1
7-1
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, 10, 14, 15, 16, 17
Habit
Spreading
Pyramidal
Plant Size
Minimum Height
1,520.00 cm1,830.00 cm
0
3900
👆🏻
Minimum Width
1,370.00 cm460.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
-
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Light brown
Leaf Color in Spring
Green, Blue Green
Blue Green, Steel Blue
Leaf Color in Summer
Green, Blue Green
Blue Green, Steel Blue
Leaf Color in Fall
Yellow, Orange, Pink
Blue Green
Leaf Color in Winter
-
Blue Green
Shape
Leaf Shape
Irregular
Long hair-like leaves
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
-
Clay, Loam, Sand
The pH of Soil
-
Acidic, Neutral
Soil Drainage
-
Well drained
Bloom Time
Spring
-
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
reseeds, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Do not water excessively
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
-
Clay, Loam, Sand
Soil Drainage Capacity
-
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
Prune ocassionally, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Needle rust
Plant Tolerance
Drought
Light Frost
Flowers
Insignificant
-
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
Fine
Foliage Sheen
-
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Birds
Allergy
Pollen
-
Uses
Aesthetic Uses
Borders
Beautification, Landscape Designing, Woodland margins
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
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
-
Part of Plant Used
Leaves, Seeds, Wood
-
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
guitar making, Used as Christmas Tree
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Feature Plant, Screening, Wind Break
Botanical Name
QUERCUS douglasii
PICEA engelmannii
Common Name
Blue Oak
mountain spruce
In Hindi
Blue Oak Tree
Engelmann spruce
In German
Blaue Eiche
Engelmann spruce
In French
Bleu Oak Tree
Engelmann spruce
In Spanish
Azul del árbol de roble
Engelmann spruce
In Greek
Μπλε Oak Tree
Engelmann spruce
In Portuguese
Carvalho azul
Engelmann spruce
In Polish
Niebieski Oak Tree
Engelmann spruce
In Latin
Blue quercum ligno
Engelmann spruce
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Pinophyta
Class
Magnoliopsida
Pinopsida
Order
Fagales
Pinales
Family
Fagaceae
Pinaceae
Genus
Quercus
Picea
Clade
Angiosperms, Eudicots, Rosids
Angiosperms
Tribe
-
-
Subfamily
-
-
Number of Species
202
1
27800
👆🏻