Life Span
Perennial
Perennial
Type
Needled or Scaled Evergreen
Grass
Origin
Western United States
North America, United States, Southwestern United States, Texas, Mexico
Types
Norway Spruce, White Spruce, Picea omorika
Foxtail muhly, Devils Canyon muhly, alkali muhly
Number of Varieties
352
0
40000
👆🏻
Habitat
Rocky areas, stream banks, Woodland Garden Canopy
High elevation, Hillside, Slopes
USDA Hardiness Zone
2-87-10
0
99
👆🏻
AHS Heat Zone
8-1
12 - 7
Sunset Zone
A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17
-
Habit
Pyramidal
Clump-Forming
Plant Size
Minimum Height
1,200.00 cm45.72 cm
0
3900
👆🏻
Minimum Width
900.00 cm60.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Green, Orange, Purple
Pink, Purple, White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
Brown, White
Leaf Color in Spring
Green, Blue Green, Steel Blue
Light Green, Blue Green
Leaf Color in Summer
Green, Blue Green, Steel Blue
Light Green
Leaf Color in Fall
Green, Blue Green, Steel Blue
Blue Green, Gray Green
Leaf Color in Winter
Blue Green, Gray Green, Steel Blue
Blue Green, Gray Green, Tan
Shape
Leaf Shape
Needle like
Grass like
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Medium
Medium
Type of Soil
Loam
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Average
Well drained
Bloom Time
Early Spring, Late Spring, Mid Spring
Early Fall, Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings, Semi-ripe cuttings
Divison, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water, Requires regular watering
Needs less watering, Water every 3 weeks until the root ball is wet
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
Soil Type
Loam
Clay, Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Pruning
Prune in winter, Remove crossing or rubbing branches, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Grass Cuttting and pruning up to 5cm, Prune in early spring, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
Apply 10-10-10 amount, slow-release fertilizers
All-Purpose Liquid Fertilizer, EDTA iron
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought
Drought
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
Fine
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Bees, Butterflies
Allergy
allergic reaction, Anaphylaxis, Asthma, Hay fever, Pollen, Respiratory problems, Runny nose, Watery eyes
Pollen
Uses
Aesthetic Uses
Showy Purposes, Used as Christmas tree
Ground Cover
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Windbreak
Air purification, soil erosion prevension on hill slopes, Wildlife
Plant Benefits
Medicinal Uses
-
-
Part of Plant Used
Flowers, Inner Bark, Seeds
-
Other Uses
Paper pulp, Wood is used in construction
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Foundation, Mixed Border, Rock Garden, Wall, Screening, Wind Break
Dried Flower/Everlasting, Foundation, Groundcover, Mixed Border, Rock Garden / Wall
Botanical Name
PICEA pungens
MUHLENBERGIA emersleyi
Common Name
Colorado blue spruce
Bull Grass
In Hindi
Blue Spruce Tree
Bull Grass
In German
Blue Spruce Baum
Bull Grass
In French
Blue Spruce Arbre
Bull Herbe
In Spanish
Blue Spruce Árbol
Bull Hierba
In Greek
Blue Spruce Tree
Δελτίο Grass
In Portuguese
Árvore Spruce azul
touro grama
In Polish
Blue Spruce Drzewo
Bull Trawa
In Latin
Blue abiegnis
Bull Grass
Kingdom
Plantae
Plantae
Phylum
Coniferophyta
Magnoliophyta
Class
Pinopsida
Liliopsida
Order
Pinales
Cyperales
Family
Pinaceae
Poaceae
Genus
Picea
Muhlenbergia
Clade
-
Angiosperms, Commelinids, Monocots
Tribe
-
Eragrostideae
Subfamily
Piceoideae
Chloridoideae
Number of Species
35180
1
27800
👆🏻