Life Span
Perennial
  
Perennial
  
Type
Needled or Scaled Evergreen
  
Tree
  
Origin
Western United States
  
Southern Europe, Mediterranean, Northern Africa
  
Types
Norway Spruce, White Spruce, Picea omorika
  
Quercus ilex, Quercus rotundifolia
  
Number of Varieties
Not Available
  
Habitat
Rocky areas, stream banks, Woodland Garden Canopy
  
Mediterranean region
  
USDA Hardiness Zone
2-8
  
4-8
  
AHS Heat Zone
8-1
  
9-2
  
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 cm
  
35
1,220.00 cm
  
33
Minimum Width
1,070.00 cm
  
19
Plant Color
  
  
Flower Color
Green, Orange, Purple
  
Red, Yellow green
  
Flower Color Modifier
Bicolor
  
Bicolor
  
Fruit Color
Brown
  
Brown, Sandy Brown, Chocolate
  
Leaf Color in Spring
Green, Blue Green, Steel Blue
  
Green, Dark Green
  
Leaf Color in Summer
Green, Blue Green, Steel Blue
  
Dark Green
  
Leaf Color in Fall
Green, Blue Green, Steel Blue
  
Dark Green
  
Leaf Color in Winter
Blue Green, Gray Green, Steel Blue
  
Dark Green
  
Shape
  
  
Leaf Shape
Needle like
  
Oblong or Lanceolate
  
Thorns
No
  
No
  
Plant Season
Spring, Summer, Fall, Winter
  
Spring, Summer, Fall, Winter
  
Growing Conditions
  
  
Sunlight
Full Sun, Partial Sun
  
Full Sun, Partial Sun
  
Growth Rate
Medium
  
Medium
  
Type of Soil
Loam
  
Clay, Loam, Sand
  
The pH of Soil
Acidic, Neutral
  
Acidic, Neutral, Alkaline
  
Soil Drainage
Average
  
Average
  
Bloom Time
Early Spring, Late Spring, Mid Spring
  
Spring
  
Repeat Bloomer
No
  
No
  
Tolerances
Drought
  
Pollution, Drought, Salt
  
Where to Plant?
Ground
  
Ground
  
How to Plant?
Seedlings, Semi-ripe cuttings
  
Grafting, Seedlings
  
Plant Maintenance
Medium
  
Medium
  
Watering Plants
  
  
Watering Requirements
Average Water Needs, Do Not over Water, Requires regular watering
  
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
  
Acidic, Neutral, Alkaline
  
Soil Type
Loam
  
Clay, Loam, Sand
  
Soil Drainage Capacity
Average
  
Average
  
Sun Exposure
Full Sun, Partial Sun
  
Full Sun, Partial 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 damaged leaves, Remove dead branches, Remove dead leaves
  
Fertilizers
Apply 10-10-10 amount, slow-release fertilizers
  
fertilize in fall, Nitrogen, Phosphorous, Potassium
  
Pests and Diseases
Red blotch
  
Aphids, Disease free, Moth
  
Plant Tolerance
Drought
  
Pollution, Shade areas
  
Flowers
Yes
  
Insignificant
  
Flower Petal Number
Single
  
Not Available
  
Fruits
  
  
Showy Fruit
Yes
  
Yes
  
Edible Fruit
No
  
Yes
  
Fragrance
  
  
Fragrant Flower
No
  
No
  
Fragrant Fruit
No
  
No
  
Fragrant Leaf
Yes
  
No
  
Fragrant Bark/Stem
Yes
  
No
  
Showy Foliage
No
  
Yes
  
Showy Bark
No
  
Yes
  
Foliage Texture
Medium
  
Medium
  
Foliage Sheen
Glossy
  
Glossy
  
Evergreen
No
  
No
  
Invasive
No
  
No
  
Self-Sowing
No
  
Yes
  
Attracts
Birds
  
Birds, Insects
  
Allergy
allergic reaction, Anaphylaxis, Asthma, Hay fever, Pollen, Respiratory problems, Runny nose, Watery eyes
  
Not Available
  
Uses
  
  
Aesthetic Uses
Showy Purposes, Used as Christmas tree
  
Cottage Garden
  
Beauty Benefits
Not Available
  
Good for skin, Skin Problems
  
Edible Uses
Yes
  
Yes
  
Environmental Uses
Air purification, Windbreak
  
Nesting sites for birds, Shadow Tree
  
Plant Benefits
  
  
Medicinal Uses
Not Available
  
Digestive, Skin irritation
  
Part of Plant Used
Flowers, Inner Bark, Seeds
  
Bark, Fruits, Wood
  
Other Uses
Paper pulp, Wood is used in construction
  
Charcoal, Used as firewood, Used for its medicinal properties, Wood is used fore making tools
  
Used As Indoor Plant
No
  
No
  
Used As Outdoor Plant
Yes
  
Yes
  
Garden Design
Container, Feature Plant, Foundation, Mixed Border, Rock Garden, Wall, Screening, Wind Break
  
Feature Plant, Hedges, Screening / Wind Break, Shade Trees, Street Trees
  
Botanical Name
PICEA pungens
  
QUERCUS ilex
  
Common Name
Colorado blue spruce
  
Evergreen Oak, Holly Oak, Holm Oak
  
In Hindi
Blue Spruce Tree
  
होल्म ओक
  
In German
Blue Spruce Baum
  
Steineiche
  
In French
Blue Spruce Arbre
  
chêne vert
  
In Spanish
Blue Spruce Árbol
  
encina
  
In Greek
Blue Spruce Tree
  
πρινόδενδρο
  
In Portuguese
Árvore Spruce azul
  
azinheira
  
In Polish
Blue Spruce Drzewo
  
dąb skalny
  
In Latin
Blue abiegnis
  
ilice
  
Kingdom
Plantae
  
Plantae
  
Phylum
Coniferophyta
  
Magnoliophyta
  
Class
Pinopsida
  
Magnoliopsida
  
Order
Pinales
  
Fagales
  
Family
Pinaceae
  
Fagaceae
  
Genus
Picea
  
Quercus
  
Clade
Not Available
  
Angiosperms, Eudicots, Rosids
  
Tribe
Not Available
  
Not Available
  
Subfamily
Piceoideae
  
Not Available
  
Season and Care of Blue Spruce and Holm Oak
Season and care of Blue Spruce and Holm Oak is important to know. While considering everything about Blue Spruce and Holm Oak Care, growing season is an essential factor. Blue Spruce season is Spring, Summer, Fall and Winter and Holm Oak season is Spring, Summer, Fall and Winter. The type of soil for Blue Spruce is Loam and for Holm Oak is Clay, Loam, Sand while the PH of soil for Blue Spruce is Acidic, Neutral and for Holm Oak is Acidic, Neutral, Alkaline.
Blue Spruce and Holm Oak Physical Information
Blue Spruce and Holm Oak physical information is very important for comparison. Blue Spruce height is 1,200.00 cm and width 900.00 cm whereas Holm Oak height is 1,220.00 cm and width 1,070.00 cm. The color specification of Blue Spruce and Holm Oak are as follows:
Blue Spruce flower color: Green, Orange and Purple
Blue Spruce leaf color: Green, Blue Green and Steel Blue
Holm Oak flower color: Red and Yellow green
- Holm Oak leaf color: Green and Dark Green
Care of Blue Spruce and Holm Oak
Care of Blue Spruce and Holm Oak include pruning, fertilizers, watering etc. Blue Spruce pruning is done Prune in winter, Remove crossing or rubbing branches, Remove damaged leaves, Remove dead branches, Remove dead leaves and Remove dead or diseased plant parts and Holm Oak pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves. In summer Blue Spruce needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Holm Oak needs Lots of watering and in winter, it needs Average Water.