Life Span
Perennial
Perennial
Habitat
Cold Regions, Temperate Regions
Woodland Garden Canopy
USDA Hardiness Zone
4-8
5-8
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Cushion/Mound-forming
Upright/Erect
Flower Color
Blue, Lavender
Rose, Violet
Flower Color Modifier
-
Bicolor
Fruit Color
-
Purple, Brown
Leaf Color in Spring
Green, Purple
Red, Crimson, Bronze
Leaf Color in Summer
Green, Purple
Green, Blue Green
Leaf Color in Fall
Green, Purple
Yellow green
Leaf Color in Winter
Light Green
-
Leaf Shape
Linear
Pinnate
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Sunlight
Partial Sun, Partial shade
Full Sun
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Average
Bloom Time
Early Spring, Spring, Late Spring, Early Summer
Spring, Late Spring
Tolerances
Drought
Pollution, Drought, Salt, Soil Compaction
Where to Plant?
Container, Ground
Ground
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Requirements
Average Water Needs, Keep ground moist, Water more in summer
Average Water Needs, Needs a lot of water initially, occasional watering once established
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Average
Average
Sun Exposure
Partial Sun, Partial shade
Full Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Cut limbs, Prune in winter, Prune up lowest branches, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, as it is a flowering plant, use high phosphorous content fertilizer
All-Purpose Liquid Fertilizer, Nitrogen
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought
Drought, Pollution, Salt, Soil Compaction
Flower Petal Number
Single
Single
Foliage Texture
Fine
Medium
Foliage Sheen
Matte
Matte
Attracts
Butterflies
Birds, Butterflies
Allergy
-
Abdominal pain, Depression, Diarrhea, Digestive Problems, gastro-intestinal problems, Kidney Disease, Liver disease, Nausea, Vomiting, weakness
Aesthetic Uses
Beautification, Showy Purposes
Showy Purposes
Beauty Benefits
-
Good for skin
Environmental Uses
Air purification
Air purification, Shadow Tree, soil stabilisation
Medicinal Uses
Black Dyes
Antispasmodic, Antivinous, Cancer, Cholagogue, Diuretic, Emetic, Emmoiliant, Eye Problems, Febrifuge, Laxative, Purgative, Tonic
Part of Plant Used
-
Flowers, Seeds, Wood
Other Uses
-
Fibre, For making oil, Used as a dye, Used as essential oil, Used as fuel, Used for woodware
Used As Indoor Plant
Yes
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Mixed Border, Rock Garden / Wall, Wildflower
Feature Plant, Shade Trees, Street Trees
Botanical Name
Polemonium caeruleum
ROBINIA 'Purple Robe'
Common Name
Jacob's Ladder
Hybrid Black Locust, Purple Robe Locust
In Hindi
Jacob's Ladder
Black Locust Tree
In German
Jacob's Ladder
Schwarz Locust Tree
In French
Jacob's Ladder
Noir Arbre Locust
In Spanish
Jacob's Ladder
Negro del árbol de la langosta
In Greek
Jacob's Ladder
Μαύρο Locust Tree
In Portuguese
Jacob's Ladder
Árvore Locust Preto
In Polish
Jacob's Ladder
Robinii akacjowej Drzewo
In Latin
Jacob's Ladder
Locusta arbor Niger
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Family
Polemoniaceae
Fabaceae
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Importance of Jacob's Ladder and Black Locust
Want to have the most appropriate plant for your garden? You might want to know the importance of Jacob's Ladder and Black Locust. Basically, these two plants vary in many aspects. Compare Jacob's Ladder and Black Locust as they differ in many characteristics such as their life, care, benefits, facts, etc. Every gardener must at least have the slightest clue about the plants he wants to plant in his garden. Compare their benefits, which differ in many ways like facts and uses. The medicinal use of Jacob's Ladder is Black Dyes whereas of Black Locust is Antispasmodic, Antivinous, Cancer, Cholagogue, Diuretic, Emetic, Emmoiliant, Eye Problems, Febrifuge, Laxative, Purgative and Tonic. Jacob's Ladder has beauty benefits as follows: while Black Locust has beauty benefits as follows: .
Compare Facts of Jacob's Ladder vs Black Locust
How to choose the best garden plant for your garden depending upon its facts? Here garden plant comparison will help you to solve this query. Compare the facts of Jacob's Ladder vs Black Locust and know which one to choose. As garden plants have benefits and other uses, allergy is also a major drawback of plants for some people. Allergic reactions of Jacob's Ladder are whereas of Black Locust have Abdominal pain, Depression, Diarrhea, Digestive Problems, gastro-intestinal problems, Kidney Disease, Liver disease, Nausea, Vomiting and weakness respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Jacob's Ladder has no showy fruits and Black Locust has no showy fruits. Also Jacob's Ladder is not flowering and Black Locust is flowering. You can compare Jacob's Ladder and Black Locust facts and facts of other plants too.