Life Span
Perennial
Perennial
Type
Tree
Broadleaf Evergreen
Origin
Northeastern United States, Mid-Atlantic United States, Central United States, Canada
Europe, Russia
Types
Blue ash, Single-leaf ash, Fragrant ash
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Habitat
Moist Soils
Cold Regions, stream banks
USDA Hardiness Zone
3-7
6-11
Habit
Upright/Erect
Upright/Erect
Flower Color
Green, Purple
White, Light Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Tan
Orange Red
Leaf Color in Spring
Green, Dark Green
Red, Green, Copper
Leaf Color in Summer
Dark Green
Green, Blue Green
Leaf Color in Fall
Yellow, Yellow green, Brown, Bronze
Green, Blue Green
Leaf Color in Winter
-
Red, Dark Green, Burgundy, Bronze
Plant Season
Spring, Summer
Spring, Summer, Fall, Winter
Sunlight
Full Sun
Full Sun, Partial Sun, Partial shade
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Average
Well drained
Bloom Time
Early Spring, Spring
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
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
Average
Well drained
Sun Exposure
Full Sun
Full Sun, Partial Sun, Partial shade
Pruning
Prune in fall, Prune in winter, Prune when plant is dormant, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts, Remove short twigs
Cut or pinch the stems, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
Pests and Diseases
Red blotch
Aphids, Stem spot
Plant Tolerance
Wet Site
Shallow soil, Sun
Flowers
Insignificant
Showy
Flower Petal Number
-
Single
Foliage Texture
Medium
Medium
Foliage Sheen
Glossy
Glossy
Attracts
Birds
Ants, Butterflies, pollinators
Allergy
-
Antibacterial, Peripheral Edema
Aesthetic Uses
Showy Purposes
Cottage Garden, Showy Purposes
Beauty Benefits
-
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
Edible Uses
Insignificant
No
Environmental Uses
Air purification, Nesting sites for birds, Wildlife, Windbreak
Air purification, Fixes Nitrogen
Medicinal Uses
Antirheumatic, Diaphoretic, Diuretic, Fever, Gout, Laxative, Ophthalmic, Purgative, Sore Eyes, Sore throat, Tonic
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
Inner Bark, Leaves, Tree trunks
Leaves, Twigs
Other Uses
Basketary, Used as a dye, Used as fuel, Used for woodware
Used for its medicinal properties
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Shade Trees, Water Gardens
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
FRAXINUS nigra
Symphytum asperum
Common Name
Black Ash, Brown Ash, Swamp Ash
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
Black Ash plant
Blackwort
In German
Black Ash Pflanze
Blackwort
In French
plante Black Ash
Blackwort
In Spanish
planta de negro de Ceniza
Blackwort
In Greek
φυτό μαύρη τέφρα
Blackwort
In Portuguese
planta Black Ash
Blackwort
In Polish
Black Ash roślin
Blackwort
In Latin
Black ash herba
Blackwort
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Scrophulariales
Lamiales
Family
Oleaceae
Boraginaceae
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Subfamily
-
Boraginoideae
Importance of Black Ash and Comfrey
Want to have the most appropriate plant for your garden? You might want to know the importance of Black Ash and Comfrey. Basically, these two plants vary in many aspects. Compare Black Ash and Comfrey 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 Ash is Antirheumatic, Diaphoretic, Diuretic, Fever, Gout, Laxative, Ophthalmic, Purgative, Sore Eyes, Sore throat and Tonic whereas of Comfrey is Asthma, Diarrhea, Obesity and Osteoarthritis. Black Ash has beauty benefits as follows: while Comfrey has beauty benefits as follows: .
Compare Facts of Black Ash vs Comfrey
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 Ash vs Comfrey 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 Ash are whereas of Comfrey have Antibacterial and Peripheral Edema respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Black Ash has no showy fruits and Comfrey has showy fruits. Also Black Ash is not flowering and Comfrey is not flowering . You can compare Black Ash and Comfrey facts and facts of other plants too.