Life Span
Perennial
Perennial
Type
Perennial
Tree
Origin
-
Europe, Eastern Europe, Southern Europe, Russia/Siberia, Iran, Central Asia, Southern Asia, Western Asia, India, Nepal, China
Types
-
Black walnut
Number of Varieties
5030
0
40000
👆🏻
Habitat
Cold Regions, Temperate Regions
Cold Regions, Hills, Hillside
USDA Hardiness Zone
4-84-8
0
99
👆🏻
AHS Heat Zone
8-1
7-1
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
Habit
Cushion/Mound-forming
Oval or Rounded
Plant Size
Minimum Height
20.30 cm1,220.00 cm
0
3900
👆🏻
Minimum Width
27.90 cm1,220.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Lavender
Yellow green
Flower Color Modifier
-
Bicolor
Fruit Color
-
Green, Brown
Leaf Color in Spring
Green, Purple
Green, Copper
Leaf Color in Summer
Green, Purple
Dark Green
Leaf Color in Fall
Green, Purple
Dark Green, Yellow green
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Linear
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall
Growing Conditions
Sunlight
Partial Sun, Partial shade
Full Sun
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
Well drained
Bloom Time
Early Spring, Spring, Late Spring, Early Summer
Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought, Frost
Where to Plant?
Container, Ground
Ground
How to Plant?
Seedlings
Budding, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Keep ground moist, Water more in summer
Requires watering in the growing season, Water Deeply, Water when top layer of soil becomes dry
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
Well drained
Sun Exposure
Partial Sun, Partial shade
Full Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
In Early Autumn, Prune to stimulate growth, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, as it is a flowering plant, use high phosphorous content fertilizer
fertilize in spring, Nitrogen
Pests and Diseases
Red blotch
Anthracnose, Armillaria mellea, Blight, Caterpillars, Crown gall, Crown rot, fungus, Powdery mildew, Red blotch
Plant Tolerance
Drought
Drought, Frost
Flowers
Showy
Insignificant
Flower Petal Number
Single
-
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Fine
Coarse
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
-
Allergy
-
Severe allergen
Uses
Aesthetic Uses
Beautification, Showy Purposes
-
Beauty Benefits
-
Good for skin and hair
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Absorbs greenhouse gases, Absorbs huge amounts of CO2, Air purification, Amazing growth rate, Erosion control, Food for birds, Food for insects, Forms dense stands, Nesting sites for birds, Prevent Soil Erosion, Shadow Tree, Shelter for wildlife, Windbreak
Plant Benefits
Medicinal Uses
Black Dyes
Anemia, Asthma, Cancer, Cough, Diarrhea, Menstrual Disorders, Urinary tract problems
Part of Plant Used
-
Fruits, Seeds
Other Uses
-
Economic Purpose, Used as a dye, Used as firewood, Used As Food, Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Mixed Border, Rock Garden / Wall, Wildflower
Edible, Feature Plant, Shade Trees
Botanical Name
Polemonium caeruleum
JUGLANS regia
Common Name
Jacob's Ladder
English Walnut
In Hindi
Jacob's Ladder
अंग्रेजी अखरोट
In German
Jacob's Ladder
Englisch Walnut
In French
Jacob's Ladder
Anglais Noyer
In Spanish
Jacob's Ladder
Inglés nuez
In Greek
Jacob's Ladder
Αγγλικά Καρυδιά
In Portuguese
Jacob's Ladder
Inglês Walnut
In Polish
Jacob's Ladder
orzech włoski
In Latin
Jacob's Ladder
Nucis anglicus
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Ericales
Fagales
Family
Polemoniaceae
Juglandaceae
Genus
Polemonium
Juglans
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
Juglandeae
Subfamily
-
Juglandoideae
Number of Species
4021
1
27800
👆🏻