Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Tree
Origin
Europe, Russia
Eastern Africa, Southern Asia, Southeastern Asia, Melanesia, Micronesia, Polynesia, Australia
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Mareer, Manjak
Habitat
Cold Regions, stream banks
Saline Soils, Sandy areas
USDA Hardiness Zone
6-11
10-15
Habit
Upright/Erect
Oval or Rounded
Flower Color
White, Light Pink
White, Yellow, Gold, Orange Red
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Orange Red
Light Green, Chocolate
Leaf Color in Spring
Red, Green, Copper
Green
Leaf Color in Summer
Green, Blue Green
Green
Leaf Color in Fall
Green, Blue Green
Green
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
Green
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun
Growth Rate
Medium
Medium
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Late Spring, Early Summer, Summer
Indeterminate
Tolerances
-
Drought, Salt
Where to Plant?
Container, Ground
Ground
How to Plant?
Root Division, Transplanting
Seedlings, Stem Cutting
Plant Maintenance
Low
Medium
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Type
Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun
Pruning
Cut or pinch the stems, Remove dead leaves
Pinch or prune as they grow to promote branching and bushiness, Remove damaged leaves
Fertilizers
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
All-Purpose Liquid Fertilizer
Pests and Diseases
Aphids, Stem spot
Root rot, Snails
Plant Tolerance
Shallow soil, Sun
Drought and Salt
Flower Petal Number
Single
Single
Foliage Texture
Medium
Coarse
Foliage Sheen
Glossy
Glossy
Attracts
Ants, Butterflies, pollinators
Birds, Butterflies
Allergy
Antibacterial, Peripheral Edema
Dizziness, Throat itching, Vomiting
Aesthetic Uses
Cottage Garden, Showy Purposes
Cottage Garden
Beauty Benefits
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
Making cosmetics, used as a dye
Environmental Uses
Air purification, Fixes Nitrogen
Absorbs greenhouse gases, No fertilizer, pesticides, or herbicides needed, Shadow Tree
Medicinal Uses
Asthma, Diarrhea, Obesity, Osteoarthritis
Acne, Aging, Hair Loss
Part of Plant Used
Leaves, Twigs
Flowers, Fruits, Leaves
Other Uses
Used for its medicinal properties
Making Shampoo, Showy Purposes, Used as Biofuel, Used as Ornamental plant
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Edible, Shade Trees, Street Trees, Tropical
Botanical Name
Symphytum asperum
CORDIA subcordata
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Beach Cordia, Island Walnut, Kou, Sea Trumpet
In Hindi
Blackwort
Cordia subcordata
In German
Blackwort
Cordia subcordata
In French
Blackwort
Cordia subcordata
In Spanish
Blackwort
Cordia subcordata
In Greek
Blackwort
Cordia subcordata
In Portuguese
Blackwort
Cordia subcordata
In Polish
Blackwort
Cordia subcordata
In Latin
Blackwort
Cordia subcordata
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Family
Boraginaceae
Boraginaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Subfamily
Boraginoideae
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Importance of Comfrey and Kou
Want to have the most appropriate plant for your garden? You might want to know the importance of Comfrey and Kou. Basically, these two plants vary in many aspects. Compare Comfrey and Kou 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 Comfrey is Asthma, Diarrhea, Obesity and Osteoarthritis whereas of Kou is Acne, Aging and Hair Loss. Comfrey has beauty benefits as follows: Acne, Beautiful Skin, Reduce Bruises and Remove blemishes while Kou has beauty benefits as follows: Acne, Beautiful Skin, Reduce Bruises and Remove blemishes.
Compare Facts of Comfrey vs Kou
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 Comfrey vs Kou 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 Comfrey are Antibacterial and Peripheral Edema whereas of Kou have Dizziness, Throat itching and Vomiting respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Comfrey has showy fruits and Kou has no showy fruits. Also Comfrey is not flowering and Kou is not flowering . You can compare Comfrey and Kou facts and facts of other plants too.