Life Span
Perennial
Perennial
Habitat
Woodland Garden Canopy
Cold Regions, Temperate Regions
USDA Hardiness Zone
5-8
4-8
Sunset Zone
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
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17
Habit
Upright/Erect
Cushion/Mound-forming
Flower Color
Rose, Violet
Blue, Lavender
Flower Color Modifier
Bicolor
-
Fruit Color
Purple, Brown
-
Leaf Color in Spring
Red, Crimson, Bronze
Green, Purple
Leaf Color in Summer
Green, Blue Green
Green, Purple
Leaf Color in Fall
Yellow green
Green, Purple
Leaf Color in Winter
-
Light Green
Leaf Shape
Pinnate
Linear
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Sunlight
Full Sun
Partial Sun, Partial shade
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
Spring, Late Spring
Early Spring, Spring, Late Spring, Early Summer
Tolerances
Pollution, Drought, Salt, Soil Compaction
Drought
Where to Plant?
Ground
Container, Ground
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Requirements
Average Water Needs, Needs a lot of water initially, occasional watering once established
Average Water Needs, Keep ground moist, Water more in summer
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
Full Sun
Partial Sun, Partial shade
Pruning
Cut limbs, Prune in winter, Prune up lowest branches, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen
All-Purpose Liquid Fertilizer, as it is a flowering plant, use high phosphorous content fertilizer
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought, Pollution, Salt, Soil Compaction
Drought
Flower Petal Number
Single
Single
Foliage Texture
Medium
Fine
Foliage Sheen
Matte
Matte
Attracts
Birds, Butterflies
Butterflies
Allergy
Abdominal pain, Depression, Diarrhea, Digestive Problems, gastro-intestinal problems, Kidney Disease, Liver disease, Nausea, Vomiting, weakness
-
Aesthetic Uses
Showy Purposes
Beautification, Showy Purposes
Beauty Benefits
Good for skin
-
Environmental Uses
Air purification, Shadow Tree, soil stabilisation
Air purification
Medicinal Uses
Antispasmodic, Antivinous, Cancer, Cholagogue, Diuretic, Emetic, Emmoiliant, Eye Problems, Febrifuge, Laxative, Purgative, Tonic
Black Dyes
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
No
Yes
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Shade Trees, Street Trees
Feature Plant, Mixed Border, Rock Garden / Wall, Wildflower
Botanical Name
ROBINIA 'Purple Robe'
Polemonium caeruleum
Common Name
Hybrid Black Locust, Purple Robe Locust
Jacob's Ladder
In Hindi
Black Locust Tree
Jacob's Ladder
In German
Schwarz Locust Tree
Jacob's Ladder
In French
Noir Arbre Locust
Jacob's Ladder
In Spanish
Negro del árbol de la langosta
Jacob's Ladder
In Greek
Μαύρο Locust Tree
Jacob's Ladder
In Portuguese
Árvore Locust Preto
Jacob's Ladder
In Polish
Robinii akacjowej Drzewo
Jacob's Ladder
In Latin
Locusta arbor Niger
Jacob's Ladder
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Family
Fabaceae
Polemoniaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Importance of Black Locust and Jacob's Ladder
Want to have the most appropriate plant for your garden? You might want to know the importance of Black Locust and Jacob's Ladder. Basically, these two plants vary in many aspects. Compare Black Locust and Jacob's Ladder 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 Black Locust is Antispasmodic, Antivinous, Cancer, Cholagogue, Diuretic, Emetic, Emmoiliant, Eye Problems, Febrifuge, Laxative, Purgative and Tonic whereas of Jacob's Ladder is Black Dyes. Black Locust has beauty benefits as follows: Good for skin while Jacob's Ladder has beauty benefits as follows: Good for skin.
Compare Facts of Black Locust vs Jacob's Ladder
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 Black Locust vs Jacob's Ladder 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 Black Locust are Abdominal pain, Depression, Diarrhea, Digestive Problems, gastro-intestinal problems, Kidney Disease, Liver disease, Nausea, Vomiting and weakness whereas of Jacob's Ladder have respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Black Locust has no showy fruits and Jacob's Ladder has no showy fruits. Also Black Locust is flowering and Jacob's Ladder is not flowering . You can compare Black Locust and Jacob's Ladder facts and facts of other plants too.