Life Span
Perennial
Biennial
Type
Broadleaf Evergreen
Herbs, Shrub
Origin
Europe, Russia
Mediterranean, Northern Africa
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
-
Number of Varieties
225
0
40000
👆🏻
Habitat
Cold Regions, stream banks
Temperate Regions
USDA Hardiness Zone
6-115-8
0
99
👆🏻
AHS Heat Zone
-
8 - 5
Sunset Zone
21,22
21,22
Habit
Upright/Erect
Rosette/Stemless
Plant Size
Minimum Height
20.00 cm10.20 cm
0
3900
👆🏻
Minimum Width
90.00 cm50.80 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
Silver
Leaf Color in Summer
Green, Blue Green
Silver
Leaf Color in Fall
Green, Blue Green
Silver
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
Light Green
Shape
Leaf Shape
Oval
Oval with a pointed tip and fine teeth along their edges
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial 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
Well drained
Bloom Time
Late Spring, Early Summer, Summer
Summer, Late Summer, Early Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
-
Where to Plant?
Container, Ground
Ground, Pot
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, Never Over-water, Requires regular watering
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
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial 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, Apply 10-10-10 amount
Pests and Diseases
Aphids, Stem spot
Red blotch, Slugs, Snails
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
Coarse
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Ants, Butterflies, pollinators
Snails
Allergy
Antibacterial, Peripheral Edema
-
Uses
Aesthetic Uses
Cottage Garden, Showy Purposes
Showy Purposes
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
Antiseptic, Astringent
Part of Plant Used
Leaves, Twigs
Leaves
Other Uses
Used for its medicinal properties
Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Bedding Plant, Container, Mixed Border, Rock Garden / Wall
Botanical Name
Symphytum asperum
SALVIA argentea
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Silver Clary, Silver Sage
In Hindi
Blackwort
रजत बाबा
In German
Blackwort
Silver Sage
In French
Blackwort
Silver Sage
In Spanish
Blackwort
silver Sage
In Greek
Blackwort
Silver Sage
In Portuguese
Blackwort
silver Sage
In Polish
Blackwort
silver Sage
In Latin
Blackwort
Argentum Sage
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Lamiales
Lamiales
Family
Boraginaceae
Lamiaceae
Genus
Symphytum
Salvia
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
Mentheae
Subfamily
Boraginoideae
Nepetoideae
Number of Species
35900
1
27800
👆🏻