Life Span
Perennial
Perennial
Type
Tree
Broadleaf Evergreen
Origin
United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, Central United States, South-Central United States, Texas, Canada
Europe, Russia
Types
Juglans nigra
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Habitat
bottomlands, Moist woods
Cold Regions, stream banks
USDA Hardiness Zone
4-9
6-11
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
21,22
Habit
Oval or Rounded
Upright/Erect
Flower Color
Yellow green
White, Light Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Chocolate
Orange Red
Leaf Color in Spring
Green
Red, Green, Copper
Leaf Color in Summer
Green, Dark Green
Green, Blue Green
Leaf Color in Fall
Yellow, Dark Green, Yellow green, Gold
Green, Blue Green
Leaf Color in Winter
-
Red, Dark Green, Burgundy, Bronze
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Sunlight
Full Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer
Late Spring, Early Summer, Summer
Where to Plant?
Ground
Container, Ground
How to Plant?
Seedlings
Root Division, Transplanting
Plant Maintenance
Medium
Low
Watering Requirements
Average Water Needs, Requires regular watering
Allow to dry out slightly between watering, Water daily during growing season
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
Acidic, Neutral
Soil Type
Clay, Loam, Sand
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun
Full Sun, Partial Sun, Partial shade
Pruning
Prune in early spring, Prune when plant is dormant, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Cut or pinch the stems, Remove dead leaves
Fertilizers
Apply NPK fertilizer at the ratio of 6-24-24
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
Pests and Diseases
Red blotch
Aphids, Stem spot
Plant Tolerance
-
Shallow soil, Sun
Flowers
Insignificant
Showy
Flower Petal Number
-
Single
Fragrant Bark/Stem
Yes
No
Foliage Texture
Coarse
Medium
Foliage Sheen
Glossy
Glossy
Attracts
Birds, Butterflies
Ants, Butterflies, pollinators
Allergy
Anaphylaxis, Toxic
Antibacterial, Peripheral Edema
Aesthetic Uses
-
Cottage Garden, Showy Purposes
Beauty Benefits
Good for skin
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
Environmental Uses
Air purification, Shadow Tree
Air purification, Fixes Nitrogen
Medicinal Uses
Cancer, Coronary diseases, Cures constipation, Diarrhea, Diphtheria, High cholestrol, Immunity, Intestinal worms, Leukemia, Skin wounds, Sore throat, Syphilis, Use as a gargle
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
Fruits
Leaves, Twigs
Other Uses
Used As Food, Used as Ornamental plant
Used for its medicinal properties
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Shade Trees
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
JUGLANS nigra
Symphytum asperum
Common Name
Black Walnut
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
काले अखरोट के पेड़
Blackwort
In German
Schwarz Walnussbaum
Blackwort
In French
Noir noyer
Blackwort
In Spanish
nogal negro
Blackwort
In Greek
Μαύρη καρυδιά
Blackwort
In Portuguese
nogueira preta
Blackwort
In Polish
Czarny orzech drzewo
Blackwort
In Latin
Niger walnut tree
Blackwort
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Juglandales
Lamiales
Family
Juglandaceae
Boraginaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Subfamily
Juglandinae
Boraginoideae
Season and Care of Black Walnut and Comfrey
Season and care of Black Walnut and Comfrey is important to know. While considering everything about Black Walnut and Comfrey Care, growing season is an essential factor. Black Walnut season is Spring, Summer and Fall and Comfrey season is Spring, Summer and Fall. The type of soil for Black Walnut is Clay, Loam, Sand and for Comfrey is Loam, Sand while the PH of soil for Black Walnut is Acidic, Neutral and for Comfrey is Acidic, Neutral.
Black Walnut and Comfrey Physical Information
Black Walnut and Comfrey physical information is very important for comparison. Black Walnut height is 1,830.00 cm and width 1,830.00 cm whereas Comfrey height is 20.00 cm and width 90.00 cm. The color specification of Black Walnut and Comfrey are as follows:
Black Walnut flower color: Yellow green
Black Walnut leaf color: Green
Comfrey flower color: White and Light Pink
- Comfrey leaf color: Red, Green and Copper
Care of Black Walnut and Comfrey
Care of Black Walnut and Comfrey include pruning, fertilizers, watering etc. Black Walnut pruning is done Prune in early spring, Prune when plant is dormant, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves and Remove dead or diseased plant parts and Comfrey pruning is done Cut or pinch the stems and Remove dead leaves. In summer Black Walnut needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Comfrey needs Lots of watering and in winter, it needs Average Water.