Life Span
Perennial
Biennial
Type
Broadleaf Evergreen
Tree
Origin
Europe, Russia
Central United States, Canada
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Two-petal ash, Single-leaf ash, Fragrant ash
Habitat
Cold Regions, stream banks
Dry areas, Hills, limestone outcrops, Moist woods
USDA Hardiness Zone
6-11
4-8
Sunset Zone
21,22
2a, 2b, 3a, 3b, 4, 5, 6
Habit
Upright/Erect
Upright/Erect
Flower Color
White, Light Pink
Green, Purple
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Orange Red
Green, Tan
Leaf Color in Spring
Red, Green, Copper
Green
Leaf Color in Summer
Green, Blue Green
Green
Leaf Color in Fall
Green, Blue Green
Yellow, Light Yellow
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
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Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun
Type of Soil
Loam, Sand
Clay, Loam
The pH of Soil
Acidic, Neutral
Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer
Spring
Where to Plant?
Container, Ground
Ground
How to Plant?
Root Division, Transplanting
Seedlings, Transplanting
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
Neutral, Alkaline
Soil Type
Loam, Sand
Clay, Loam
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun
Pruning
Cut or pinch the stems, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead 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
Red blotch
Plant Tolerance
Shallow soil, Sun
-
Flowers
Showy
Insignificant
Flower Petal Number
Single
-
Foliage Texture
Medium
Medium
Foliage Sheen
Glossy
Matte
Attracts
Ants, Butterflies, pollinators
Birds
Allergy
Antibacterial, Peripheral Edema
-
Aesthetic Uses
Cottage Garden, Showy Purposes
-
Beauty Benefits
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
-
Environmental Uses
Air purification, Fixes Nitrogen
Air purification, Shadow Tree
Medicinal Uses
Asthma, Diarrhea, Obesity, Osteoarthritis
-
Part of Plant Used
Leaves, Twigs
Inner Bark, Seeds
Other Uses
Used for its medicinal properties
Used as a dye, Used for woodware, Wood is used in construction
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Shade Trees, Street Trees
Botanical Name
Symphytum asperum
FRAXINUS quadrangulata
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Blue Ash
In Hindi
Blackwort
Blue Ash plant
In German
Blackwort
Blue Ash Pflanze
In French
Blackwort
usine Blue Ash
In Spanish
Blackwort
planta de Blue Ash
In Greek
Blackwort
φυτό Blue Ash
In Portuguese
Blackwort
planta Blue Ash
In Polish
Blackwort
Blue Ash roślin
In Latin
Blackwort
Blue Ash herba
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Lamiales
Scrophulariales
Family
Boraginaceae
Oleaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Subfamily
Boraginoideae
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Difference Between Comfrey and Blue Ash
If you are confused whether Comfrey or Blue Ash are same, here are some features about those plants to help you choose better. Many people think that these two plants have the same characteristics, but one can see Comfrey and Blue Ash Information and learn more about it. Fertilizers required for proper growth of Comfrey are 14-14-14 Fertilizer, All-Purpose Liquid Fertilizer and can go long without fertilizers, whereas for Blue Ash fertilizers required are All-Purpose Liquid Fertilizer. Hence, one should know the basic difference between Comfrey and Blue Ash if you are planning to have them in your garden to enhance its beauty.
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Flowering PlantsImportance of Comfrey and Blue Ash
Want to have the most appropriate plant for your garden? You might want to know the importance of Comfrey and Blue Ash. Basically, these two plants vary in many aspects. Compare Comfrey and Blue Ash 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 Blue Ash is . Comfrey has beauty benefits as follows: Acne, Beautiful Skin, Reduce Bruises and Remove blemishes while Blue Ash has beauty benefits as follows: Acne, Beautiful Skin, Reduce Bruises and Remove blemishes.
Compare Facts of Comfrey vs Blue Ash
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 Blue Ash 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 Blue Ash have respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Comfrey has showy fruits and Blue Ash has no showy fruits. Also Comfrey is not flowering and Blue Ash is not flowering . You can compare Comfrey and Blue Ash facts and facts of other plants too.