Life Span
Perennial
  
Perennial
  
Type
Perennial
  
Flowering Plants, Fruits, Trees
  
Origin
Hybrid origin
  
Central America, Europe, North America
  
Types
Not Available
  
Not Available
  
Habitat
Cold Regions, Temperate Regions
  
Hedge, Scrubs, Woods
  
USDA Hardiness Zone
4-8
  
4-8
  
AHS Heat Zone
8-1
  
Not Available
  
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17
  
Not Available
  
Habit
Cushion/Mound-forming
  
Not Available
  
Plant Size
  
  
Plant Color
  
  
Flower Color
Blue, Lavender
  
White
  
Flower Color Modifier
Not Available
  
Not Available
  
Fruit Color
Non Fruiting Plant
  
Yellow
  
Leaf Color in Spring
Green, Purple
  
Dark Green
  
Leaf Color in Summer
Green, Purple
  
Green
  
Leaf Color in Fall
Green, Purple
  
Brown, Green, Light Yellow
  
Leaf Color in Winter
Light Green
  
Not Available
  
Shape
  
  
Leaf Shape
Linear
  
Oblong
  
Thorns
No
  
Yes
  
Plant Season
Spring, Summer, Fall
  
Summer
  
Growing Conditions
  
  
Sunlight
Partial Sun, Partial shade
  
Full Sun, Partial shade
  
Growth Rate
Medium
  
Medium
  
Type of Soil
Clay, Loam, Sand
  
Loamy
  
The pH of Soil
Acidic, Neutral, Alkaline
  
Neutral
  
Soil Drainage
Average
  
Well drained
  
Bloom Time
Early Spring, Spring, Late Spring, Early Summer
  
Fall, Summer
  
Repeat Bloomer
No
  
No
  
Tolerances
Drought
  
Drought
  
Where to Plant?
Container, Ground
  
Ground
  
How to Plant?
Seedlings
  
Grafting, Seedlings, Transplanting
  
Plant Maintenance
Medium
  
Medium
  
Watering Plants
  
  
Watering Requirements
Average Water Needs, Keep ground moist, Water more in summer
  
Medium
  
In Summer
Lots of watering
  
Lots of watering
  
In Spring
Moderate
  
Moderate
  
In Winter
Average Water
  
Average Water
  
Soil
  
  
Soil pH
Acidic, Neutral, Alkaline
  
Neutral
  
Soil Type
Clay, Loam, Sand
  
Loamy
  
Soil Drainage Capacity
Average
  
Well drained
  
Sun Exposure
Partial Sun, Partial shade
  
Full Sun, Partial shade
  
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
  
Prune when plant is dormant, Remove dead or diseased plant parts
  
Fertilizers
All-Purpose Liquid Fertilizer, as it is a flowering plant, use high phosphorous content fertilizer
  
All-Purpose Liquid Fertilizer
  
Pests and Diseases
Red blotch
  
Aphids, Curculio occidentis, Japanese Beetles, Leaf Rollers, Leafminer, Mites, Red blotch, sawflies, Scale, Stink bugs
  
Plant Tolerance
Drought
  
Drought
  
Flowers
Showy
  
Yes
  
Flower Petal Number
Single
  
Single
  
Fruits
  
  
Showy Fruit
No
  
Yes
  
Edible Fruit
No
  
Yes
  
Fragrance
  
  
Fragrant Flower
No
  
Yes
  
Fragrant Fruit
No
  
No
  
Fragrant Leaf
No
  
No
  
Fragrant Bark/Stem
No
  
No
  
Showy Foliage
No
  
No
  
Showy Bark
No
  
No
  
Foliage Texture
Fine
  
Medium
  
Foliage Sheen
Matte
  
Matte
  
Evergreen
No
  
No
  
Invasive
No
  
No
  
Self-Sowing
No
  
Yes
  
Attracts
Butterflies
  
Not Available
  
Allergy
Not Available
  
Digestive Problems, Respiratory problems
  
Uses
  
  
Aesthetic Uses
Beautification, Showy Purposes
  
Showy Purposes
  
Beauty Benefits
Not Available
  
Beautiful Skin
  
Edible Uses
No
  
Yes
  
Environmental Uses
Air purification
  
Food for birds
  
Plant Benefits
  
  
Medicinal Uses
Black Dyes, Not Available
  
Anthelmintic, Antibacterial, Astringent, Hypnotic, Laxative, Refrigerant
  
Part of Plant Used
Not Available
  
Fruits
  
Other Uses
Not Available
  
Edible syrup, Jam, Jelly, Used As Food
  
Used As Indoor Plant
Yes
  
No
  
Used As Outdoor Plant
Yes
  
Yes
  
Garden Design
Feature Plant, Mixed Border, Rock Garden / Wall, Wildflower
  
Not Available
  
Botanical Name
Polemonium caeruleum
  
Malus sylvestris
  
Common Name
Jacob's Ladder
  
European crab apple
  
In Hindi
Jacob's Ladder
  
european crab apple
  
In German
Jacob's Ladder
  
Der Holzapfel, Europäischer Wildapfel
  
In French
Jacob's Ladder
  
Le Boquettier, le Pommier sauvage ou Pommier des bois
  
In Spanish
Jacob's Ladder
  
Malus sylvestris, el Manzano silvestre, manzano silvestre europeo
  
In Greek
Jacob's Ladder
  
Ευρωπαϊκή μήλο καβουριών
  
In Portuguese
Jacob's Ladder
  
Malus sylvestris
  
In Polish
Jacob's Ladder
  
Jabłoń dzika
  
In Latin
Jacob's Ladder
  
european crab apple
  
Kingdom
Plantae
  
Plantae
  
Phylum
Tracheophyta
  
Magnoliophyta
  
Class
Magnoliopsida
  
Magnoliopsida
  
Order
Ericales
  
Rosales
  
Family
Polemoniaceae
  
Rosaceae
  
Genus
Polemonium
  
Malus
  
Clade
Angiosperms, Asterids, Eudicots
  
Angiosperms, Eudicots, Rosids
  
Tribe
Not Available
  
Not Available
  
Subfamily
Not Available
  
Not Available
  
Number of Species
Not Available
  
Season and Care of Jacob's Ladder and European Crab Apple
Season and care of Jacob's Ladder and European Crab Apple is important to know. While considering everything about Jacob's Ladder and European Crab Apple Care, growing season is an essential factor. Jacob's Ladder season is Spring, Summer and Fall and European Crab Apple season is Spring, Summer and Fall. The type of soil for Jacob's Ladder is Clay, Loam, Sand and for European Crab Apple is Loamy while the PH of soil for Jacob's Ladder is Acidic, Neutral, Alkaline and for European Crab Apple is Neutral.
Jacob's Ladder and European Crab Apple Physical Information
Jacob's Ladder and European Crab Apple physical information is very important for comparison. Jacob's Ladder height is 20.30 cm and width 27.90 cm whereas European Crab Apple height is 25.00 cm and width 20.00 cm. The color specification of Jacob's Ladder and European Crab Apple are as follows:
Jacob's Ladder flower color: Blue and Lavender
Jacob's Ladder leaf color: Green and Purple
European Crab Apple flower color: White
- European Crab Apple leaf color: Dark Green
Care of Jacob's Ladder and European Crab Apple
Care of Jacob's Ladder and European Crab Apple include pruning, fertilizers, watering etc. Jacob's Ladder pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves and European Crab Apple pruning is done Prune when plant is dormant and Remove dead or diseased plant parts. In summer Jacob's Ladder needs Lots of watering and in winter, it needs Average Water. Whereas, in summer European Crab Apple needs Lots of watering and in winter, it needs Average Water.