Life Span
Perennial
  
Perennial
  
Type
Perennial
  
Tree
  
Origin
Hybrid origin
  
Eastern Asia
  
Types
Not Available
  
Black Spruce, Norway Spruce, Colorodo Spruce
  
Number of Varieties
Not Available
  
Habitat
Cold Regions, Temperate Regions
  
By seashore, Humid climates, Temperate Regions
  
USDA Hardiness Zone
4-8
  
6-8
  
AHS Heat Zone
8-1
  
8-2
  
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17
  
A3, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
  
Habit
Cushion/Mound-forming
  
Oval or Rounded
  
Plant Size
  
  
Plant Color
  
  
Flower Color
Blue, Lavender
  
Red
  
Flower Color Modifier
Not Available
  
Bicolor
  
Fruit Color
Non Fruiting Plant
  
Red, Green
  
Leaf Color in Spring
Green, Purple
  
Green, Light Green
  
Leaf Color in Summer
Green, Purple
  
Green
  
Leaf Color in Fall
Green, Purple
  
Red, Crimson
  
Leaf Color in Winter
Light Green
  
Not Available
  
Shape
  
  
Leaf Shape
Linear
  
Acicular
  
Thorns
No
  
No
  
Plant Season
Spring, Summer, Fall
  
Spring, Summer, Fall, Winter
  
Growing Conditions
  
  
Sunlight
Partial Sun, Partial shade
  
Full Sun, Partial Sun, Partial shade
  
Growth Rate
Medium
  
Medium
  
Type of Soil
Clay, Loam, Sand
  
Clay, Loam, Sand
  
The pH of Soil
Acidic, Neutral, Alkaline
  
Acidic, Neutral
  
Soil Drainage
Average
  
Average
  
Bloom Time
Early Spring, Spring, Late Spring, Early Summer
  
Early Spring, Spring, Late Spring, Early Summer
  
Repeat Bloomer
No
  
No
  
Tolerances
Drought
  
Heat Tolerance, Humidity, Light Frost
  
Where to Plant?
Container, Ground
  
Ground
  
How to Plant?
Seedlings
  
Seedlings, Spores
  
Plant Maintenance
Medium
  
Medium
  
Watering Plants
  
  
Watering Requirements
Average Water Needs, Keep ground moist, Water more in summer
  
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, Alkaline
  
Acidic, Neutral
  
Soil Type
Clay, Loam, Sand
  
Clay, Loam, Sand
  
Soil Drainage Capacity
Average
  
Average
  
Sun Exposure
Partial Sun, Partial shade
  
Full Sun, Partial Sun, Partial shade
  
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
  
Prune when young, Remove dead branches
  
Fertilizers
All-Purpose Liquid Fertilizer, as it is a flowering plant, use high phosphorous content fertilizer
  
slow-release fertilizers
  
Pests and Diseases
Red blotch
  
Aphids, Birds, Snails
  
Plant Tolerance
Drought
  
Heat Tolerance, Humidity, Light Frost
  
Flowers
Showy
  
Insignificant
  
Flower Petal Number
Single
  
Single
  
Fruits
  
  
Showy Fruit
No
  
No
  
Edible Fruit
No
  
No
  
Fragrance
  
  
Fragrant Flower
No
  
No
  
Fragrant Fruit
No
  
No
  
Fragrant Leaf
No
  
No
  
Fragrant Bark/Stem
No
  
No
  
Showy Foliage
No
  
Yes
  
Showy Bark
No
  
Yes
  
Foliage Texture
Fine
  
Fine
  
Foliage Sheen
Matte
  
Matte
  
Evergreen
No
  
No
  
Invasive
No
  
No
  
Self-Sowing
No
  
No
  
Attracts
Butterflies
  
Ants, Fruit Bats, Snails, Squirrels
  
Allergy
Not Available
  
Constipation, Diarrhea, Dizziness, Sore eyes
  
Uses
  
  
Aesthetic Uses
Beautification, Showy Purposes
  
Showy Purposes
  
Beauty Benefits
Not Available
  
For treating wrinkles, Making cosmetics, Speed hair growth
  
Edible Uses
No
  
Sometimes
  
Environmental Uses
Air purification
  
Agroforestry, Air purification, Nesting sites for birds, soil stabilisation
  
Plant Benefits
  
  
Medicinal Uses
Black Dyes, Not Available
  
anti-inflammatory, Back pain, Emollient, Immunity, Obesity
  
Part of Plant Used
Not Available
  
Leaf Stalks, Root
  
Other Uses
Not Available
  
Constructing Boats, Making piano frames, Used as fuel, Used in Furniture, Used in making musical instruments, Used in paper industry, Used in pencil industry
  
Used As Indoor Plant
Yes
  
No
  
Used As Outdoor Plant
Yes
  
Yes
  
Garden Design
Feature Plant, Mixed Border, Rock Garden / Wall, Wildflower
  
Container, Feature Plant, Mixed Border, Topiary / Bonsai / Espalier
  
Botanical Name
Polemonium caeruleum
  
ACER palmatum 'Osakazuki'
  
Common Name
Jacob's Ladder
  
Japanese Maple, Osakasuki Japanese Maple
  
In Hindi
Jacob's Ladder
  
सरल
  
In German
Jacob's Ladder
  
Fichten
  
In French
Jacob's Ladder
  
Picea
  
In Spanish
Jacob's Ladder
  
Picea
  
In Greek
Jacob's Ladder
  
Spruce
  
In Portuguese
Jacob's Ladder
  
Picea
  
In Polish
Jacob's Ladder
  
Świerk
  
In Latin
Jacob's Ladder
  
Picea
  
Kingdom
Plantae
  
Plantae
  
Phylum
Tracheophyta
  
Pinophyta
  
Class
Magnoliopsida
  
Pinopsida
  
Order
Ericales
  
Pinales
  
Family
Polemoniaceae
  
Aceraceae
  
Genus
Polemonium
  
Picea
  
Clade
Angiosperms, Asterids, Eudicots
  
Not Available
  
Tribe
Not Available
  
Not Available
  
Subfamily
Not Available
  
Piceoideae