Life Span
Perennial
Perennial
Type
Needled or Scaled Evergreen
Tree
Origin
Western United States
Asia
Types
Norway Spruce, White Spruce, Picea omorika
Pterocarya fraxinifolia, Pterocarya stenoptera
Number of Varieties
353
0
40000
👆🏻
Habitat
Rocky areas, stream banks, Woodland Garden Canopy
Boggy areas, Mixed deciduous forest
USDA Hardiness Zone
2-86-9
0
99
👆🏻
AHS Heat Zone
8-1
9-1
Sunset Zone
A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17
4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Pyramidal
Oval or Rounded
Plant Size
Minimum Height
1,200.00 cm1,520.00 cm
0
3900
👆🏻
Minimum Width
900.00 cm1,220.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Green, Orange, Purple
Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
Green, Brown
Leaf Color in Spring
Green, Blue Green, Steel Blue
Green
Leaf Color in Summer
Green, Blue Green, Steel Blue
Green
Leaf Color in Fall
Green, Blue Green, Steel Blue
Green, Yellow green
Leaf Color in Winter
Blue Green, Gray Green, Steel Blue
-
Shape
Leaf Shape
Needle like
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Medium
Fast
Type of Soil
Loam
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Early Spring, Late Spring, Mid Spring
Spring, Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought, Soil Compaction
Where to Plant?
Ground
Ground
How to Plant?
Seedlings, Semi-ripe cuttings
Divison, Stem Cutting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water, Requires regular watering
Needs less watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Type
Loam
Clay, Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun
Pruning
Prune in winter, Remove crossing or rubbing branches, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Remove all suckers, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
Apply 10-10-10 amount, slow-release fertilizers
All-Purpose Liquid Fertilizer, Nitrogen, Phosphorous
Pests and Diseases
Red blotch
-
Plant Tolerance
Drought
Drought, Soil Compaction
Flowers
✔
✘
✔
✘
Flower Petal Number
Single
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
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Birds, Butterflies, Hummingbirds
Allergy
allergic reaction, Anaphylaxis, Asthma, Hay fever, Pollen, Respiratory problems, Runny nose, Watery eyes
-
Uses
Aesthetic Uses
Showy Purposes, Used as Christmas tree
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Windbreak
-
Plant Benefits
Medicinal Uses
-
Diaphoretic
Part of Plant Used
Flowers, Inner Bark, Seeds
Bark, Fruits, Seeds
Other Uses
Paper pulp, Wood is used in construction
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Foundation, Mixed Border, Rock Garden, Wall, Screening, Wind Break
Feature Plant, Shade Trees
Botanical Name
PICEA pungens
Pterocarya fraxinifolia
Common Name
Colorado blue spruce
Caucasian wingnut, Caucasian walnut
In Hindi
Blue Spruce Tree
wingnut
In German
Blue Spruce Baum
wingnut
In French
Blue Spruce Arbre
wingnut
In Spanish
Blue Spruce Árbol
wingnut
In Greek
Blue Spruce Tree
wingnut
In Portuguese
Árvore Spruce azul
wingnut
In Polish
Blue Spruce Drzewo
Wingnut
In Latin
Blue abiegnis
wingnut
Kingdom
Plantae
Plantae
Phylum
Coniferophyta
Magnoliophyta
Class
Pinopsida
Magnoliopsida
Order
Pinales
Fagales
Family
Pinaceae
Juglandaceae
Genus
Picea
Pterocarya
Clade
-
Angiosperms, Eudicots, Rosids
Tribe
-
Juglandeae
Subfamily
Piceoideae
Juglandoideae
Number of Species
356
1
27800
👆🏻