Life Span
Perennial
Biennial
Type
Broadleaf Evergreen
Herbs, Shrub
Origin
Europe, Russia
Mediterranean, Northern Africa
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
-
Habitat
Cold Regions, stream banks
Temperate Regions
USDA Hardiness Zone
6-11
5-8
Habit
Upright/Erect
Rosette/Stemless
Flower Color
White, Light Pink
White
Flower Color Modifier
Bicolor
Bicolor
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
Leaf Shape
Oval
Oval with a pointed tip and fine teeth along their edges
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
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
Where to Plant?
Container, Ground
Ground, Pot
How to Plant?
Root Division, Transplanting
Seedlings
Plant Maintenance
Low
Medium
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 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
Flower Petal Number
Single
Single
Foliage Texture
Medium
Coarse
Foliage Sheen
Glossy
Matte
Attracts
Ants, Butterflies, pollinators
Snails
Allergy
Antibacterial, Peripheral Edema
-
Aesthetic Uses
Cottage Garden, Showy Purposes
Showy Purposes
Beauty Benefits
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
-
Environmental Uses
Air purification, Fixes Nitrogen
Air purification
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
No
Yes
Used As Outdoor Plant
Yes
Yes
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
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Family
Boraginaceae
Lamiaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Subfamily
Boraginoideae
Nepetoideae
Season and Care of Comfrey and Silver Sage
Season and care of Comfrey and Silver Sage is important to know. While considering everything about Comfrey and Silver Sage Care, growing season is an essential factor. Comfrey season is Spring, Summer, Fall and Winter and Silver Sage season is Spring, Summer, Fall and Winter. The type of soil for Comfrey is Loam, Sand and for Silver Sage is Clay, Loam, Sand while the PH of soil for Comfrey is Acidic, Neutral and for Silver Sage is Acidic, Neutral, Alkaline.
Comfrey and Silver Sage Physical Information
Comfrey and Silver Sage physical information is very important for comparison. Comfrey height is 20.00 cm and width 90.00 cm whereas Silver Sage height is 10.20 cm and width 50.80 cm. The color specification of Comfrey and Silver Sage are as follows:
Comfrey flower color: White and Light Pink
Comfrey leaf color: Red, Green and Copper
Silver Sage flower color: White
- Silver Sage leaf color: Silver
Care of Comfrey and Silver Sage
Care of Comfrey and Silver Sage include pruning, fertilizers, watering etc. Comfrey pruning is done Cut or pinch the stems and Remove dead leaves and Silver Sage pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves. In summer Comfrey needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Silver Sage needs Lots of watering and in winter, it needs Average Water.