Life Span
Perennial
Annual
Type
Broadleaf Evergreen
Sedge or Rush
Origin
Europe, Russia
Southern Europe, United Kingdom, Northern Africa
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
-
Number of Varieties
220
0
40000
👆🏻
Habitat
Cold Regions, stream banks
Grassland, Humid climates, Riverbanks, Wet forest
USDA Hardiness Zone
6-118-11
0
99
👆🏻
AHS Heat Zone
-
11-1
Sunset Zone
21,22
7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Arching/Fountain-shaped
Plant Size
Minimum Height
20.00 cm15.20 cm
0
3900
👆🏻
Minimum Width
90.00 cm45.70 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Light Pink
White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Orange Red
-
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
Shape
Leaf Shape
Oval
Linear
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Growth Rate
Medium
Slow
Type of Soil
Loam, Sand
Loam
The pH of Soil
Acidic, Neutral
Neutral
Soil Drainage
Well drained
Poorly Drained
Bloom Time
Late Spring, Early Summer, Summer
Indeterminate
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Container, Ground
Container, Ground, Pot
How to Plant?
Root Division, Transplanting
Seedlings, Stem Planting
Plant Maintenance
Low
Medium
Watering Plants
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
Keep the ground moist but not water-logged, Requires regular watering, Water when soil is dry
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Neutral
Soil Type
Loam, Sand
Loam
Soil Drainage Capacity
Well drained
Poorly Drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
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
Fine
Foliage Sheen
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
Sometimes
Sometimes
Self-Sowing
✔
✘
✔
✘
Attracts
Ants, Butterflies, pollinators
Insects
Allergy
Antibacterial, Peripheral Edema
Asthma, Skin irritation
Uses
Aesthetic Uses
Cottage Garden, Showy Purposes
Beautification
Beauty Benefits
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Fixes Nitrogen
Air purification
Plant Benefits
Medicinal Uses
Asthma, Diarrhea, Obesity, Osteoarthritis
Digestion problems, Fever
Part of Plant Used
Leaves, Twigs
Whole plant
Other Uses
Used for its medicinal properties
Showy Purposes, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Bog Garden, Container, Edging, Rock Garden / Wall
Botanical Name
Symphytum asperum
ISOLEPIS cernua
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Low Bulrush
Slender Clubrush
In Hindi
Blackwort
फाइबर ऑप्टिक घास
In German
Blackwort
Lichtwellenleiter-Gras
In French
Blackwort
Fibre optique Herbe
In Spanish
Blackwort
Hierba de fibra óptica
In Greek
Blackwort
Οπτικών Ινών Grass
In Portuguese
Blackwort
Fibra Óptica Relva
In Polish
Blackwort
Światłowody Trawa
In Latin
Blackwort
Fiber opticus Grass
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
-
Class
Magnoliopsida
-
Order
Lamiales
Poales
Family
Boraginaceae
Cyperaceae
Genus
Symphytum
Isolepis
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Commelinids, Monocots
Tribe
-
-
Subfamily
Boraginoideae
Pooideae
Number of Species
3570
1
27800
👆🏻