Life Span
Perennial
Annual
Type
Broadleaf Evergreen
Tree
Origin
Europe, Russia
Australia
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
-
Number of Varieties
23
0
40000
👆🏻
Habitat
Cold Regions, stream banks
Fertile bottom land, moist forests, Moist Soils, Moist woods, Roadsides, Sandy areas, tropical environments, Tropical rainforest, Tropical regions, Wet lands
USDA Hardiness Zone
6-118-11
0
99
👆🏻
AHS Heat Zone
-
12-10
Sunset Zone
21,22
8, 9, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Upright/Erect
Plant Size
Minimum Height
20.00 cm300.00 cm
0
3900
👆🏻
Minimum Width
90.00 cm300.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Light Pink
Light Yellow
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Orange Red
Brown
Leaf Color in Spring
Red, Green, Copper
Green, Gray Green
Leaf Color in Summer
Green, Blue Green
Green, Gray Green
Leaf Color in Fall
Green, Blue Green
Green, Gray Green
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
Green, Gray Green
Shape
Leaf Shape
Oval
Long Linear
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun
Growth Rate
Medium
Fast
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Container, Ground
Ground
How to Plant?
Root Division, Transplanting
Seedlings
Plant Maintenance
Low
Medium
Watering Plants
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
Soil pH
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Type
Loam, Sand
Loam, Sand
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
Drought
Flowers
Showy
Showy
Flower Petal Number
Single
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Medium
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
Sometimes
Sometimes
Self-Sowing
✔
✘
✔
✘
Attracts
Ants, Butterflies, pollinators
Hummingbirds, Butterflies
Allergy
Antibacterial, Peripheral Edema
Asthma, Eye irritation, Respiratory problems, Skin irritation
Uses
Aesthetic Uses
Cottage Garden, Showy Purposes
-
Beauty Benefits
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Fixes Nitrogen
Air purification, Shadow Tree
Plant Benefits
Medicinal Uses
Asthma, Diarrhea, Obesity, Osteoarthritis
-
Part of Plant Used
Leaves, Twigs
Bark, Tree trunks
Other Uses
Used for its medicinal properties
Application in Furniture, Constructing Boats, Used in Furniture, Wood is used fore making tools
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Screening / Wind Break, Shade Trees, Street Trees
Botanical Name
Symphytum asperum
ACACIA melanoxylon
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Australian Blackwood, Blackwood
In Hindi
Blackwort
काली लकड़ी
In German
Blackwort
Schwarzes Holz
In French
Blackwort
Bois noir
In Spanish
Blackwort
Blackwood
In Greek
Blackwort
Μαυρο ξυλο
In Portuguese
Blackwort
Madeira preta
In Polish
Blackwort
Czarne drewno
In Latin
Blackwort
Press
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Lamiales
Fabales
Family
Boraginaceae
Fabaceae
Genus
Symphytum
Acacia
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
Acacieae
Subfamily
Boraginoideae
-
Number of Species
351100
1
27800
👆🏻