Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Grass
Origin
Europe, Russia
Eastern Asia, China, Japan, Korea
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
-
Number of Varieties
230
0
40000
👆🏻
Habitat
Cold Regions, stream banks
Lower slopes, marshes, Mountain Slopes
USDA Hardiness Zone
6-114-9
0
99
👆🏻
AHS Heat Zone
-
9 - 1
Sunset Zone
21,22
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Clump-Forming
Plant Size
Minimum Height
20.00 cm150.00 cm
0
3900
👆🏻
Minimum Width
90.00 cm120.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Light Pink
Red, White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Orange Red
-
Leaf Color in Spring
Red, Green, Copper
Green, Dark Green
Leaf Color in Summer
Green, Blue Green
Light Green
Leaf Color in Fall
Green, Blue Green
Green, Dark Green, Gold, Tan
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
Gold, Tan
Shape
Leaf Shape
Oval
Lanceolate
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
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Late Spring, Early Summer, Summer
Fall, Late Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Pollution, Drought
Where to Plant?
Container, Ground
Ground, Pot
How to Plant?
Root Division, Transplanting
Divison
Plant Maintenance
Low
Medium
Watering Plants
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
Do Not over Water, Keep ground moist
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Adequately
In Winter
Average Water
Average Water
Soil
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
cut main flower spike, Remove dead leaves
Fertilizers
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
All-Purpose Liquid Fertilizer, Fertilize when new
Pests and Diseases
Aphids, Stem spot
Healthy tree, Red blotch, Rust
Plant Tolerance
Shallow soil, Sun
Drought, Pollution
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
Matte
Evergreen
✔
✘
✔
✘
Invasive
Sometimes
Sometimes
Self-Sowing
✔
✘
✔
✘
Attracts
Ants, Butterflies, pollinators
-
Allergy
Antibacterial, Peripheral Edema
Asthma
Uses
Aesthetic Uses
Cottage Garden, Showy Purposes
Cottage Garden, Showy Purposes
Beauty Benefits
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Fixes Nitrogen
Air purification, Provides ground cover
Plant Benefits
Medicinal Uses
Asthma, Diarrhea, Obesity, Osteoarthritis
-
Part of Plant Used
Leaves, Twigs
Whole plant
Other Uses
Used for its medicinal properties
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Dried Flower / Everlasting, Container, Cutflower, Feature Plant, Foundation, Mixed Border, Screening / Wind Break
Botanical Name
Symphytum asperum
MISCANTHUS sinensis 'Gracillimus'
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Eulalia, Japanese Silvergrass, Maiden Grass
In Hindi
Blackwort
maiden grass
In German
Blackwort
Mädchen Gras
In French
Blackwort
herbe de jeune fille
In Spanish
Blackwort
hierba doncella
In Greek
Blackwort
παρθενική γρασίδι
In Portuguese
Blackwort
grama de solteira
In Polish
Blackwort
panieńskie trawy
In Latin
Blackwort
virgo herba
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Liliopsida
Order
Lamiales
Cyperales
Family
Boraginaceae
Poaceae
Genus
Symphytum
Miscanthus
Clade
Angiosperms, Eudicots, Rosids
-
Tribe
-
-
Subfamily
Boraginoideae
-
Number of Species
3517
1
27800
👆🏻