Life Span
Biennial
Perennial
Type
Herbs, Shrub
Broadleaf Evergreen
Origin
Mediterranean, Northern Africa
Europe, Russia
Types
-
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Habitat
Temperate Regions
Cold Regions, stream banks
USDA Hardiness Zone
5-8
6-11
Habit
Rosette/Stemless
Upright/Erect
Flower Color
White
White, Light Pink
Flower Color Modifier
Bicolor
Bicolor
Leaf Color in Spring
Silver
Red, Green, Copper
Leaf Color in Summer
Silver
Green, Blue Green
Leaf Color in Fall
Silver
Green, Blue Green
Leaf Color in Winter
Light Green
Red, Dark Green, Burgundy, Bronze
Leaf Shape
Oval with a pointed tip and fine teeth along their edges
Oval
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Summer, Late Summer, Early Fall
Late Spring, Early Summer, Summer
Where to Plant?
Ground, Pot
Container, Ground
How to Plant?
Seedlings
Root Division, Transplanting
Plant Maintenance
Medium
Low
Watering Requirements
Average Water Needs, Never Over-water, Requires regular watering
Allow to dry out slightly between watering, Water daily during growing season
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Type
Clay, Loam, Sand
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Cut or pinch the stems, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Apply 10-10-10 amount
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
Pests and Diseases
Red blotch, Slugs, Snails
Aphids, Stem spot
Plant Tolerance
Drought
Shallow soil, Sun
Flower Petal Number
Single
Single
Foliage Texture
Coarse
Medium
Foliage Sheen
Matte
Glossy
Attracts
Snails
Ants, Butterflies, pollinators
Allergy
-
Antibacterial, Peripheral Edema
Aesthetic Uses
Showy Purposes
Cottage Garden, Showy Purposes
Beauty Benefits
-
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
Environmental Uses
Air purification
Air purification, Fixes Nitrogen
Medicinal Uses
Antiseptic, Astringent
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
Leaves
Leaves, Twigs
Other Uses
Used for its medicinal properties
Used for its medicinal properties
Used As Indoor Plant
Yes
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Bedding Plant, Container, Mixed Border, Rock Garden / Wall
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
SALVIA argentea
Symphytum asperum
Common Name
Silver Clary, Silver Sage
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
रजत बाबा
Blackwort
In German
Silver Sage
Blackwort
In French
Silver Sage
Blackwort
In Spanish
silver Sage
Blackwort
In Greek
Silver Sage
Blackwort
In Portuguese
silver Sage
Blackwort
In Polish
silver Sage
Blackwort
In Latin
Argentum Sage
Blackwort
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Family
Lamiaceae
Boraginaceae
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Subfamily
Nepetoideae
Boraginoideae
Season and Care of Silver Sage and Comfrey
Season and care of Silver Sage and Comfrey is important to know. While considering everything about Silver Sage and Comfrey Care, growing season is an essential factor. Silver Sage season is Spring, Summer and Fall and Comfrey season is Spring, Summer and Fall. The type of soil for Silver Sage is Clay, Loam, Sand and for Comfrey is Loam, Sand while the PH of soil for Silver Sage is Acidic, Neutral, Alkaline and for Comfrey is Acidic, Neutral.
Silver Sage and Comfrey Physical Information
Silver Sage and Comfrey physical information is very important for comparison. Silver Sage height is 10.20 cm and width 50.80 cm whereas Comfrey height is 20.00 cm and width 90.00 cm. The color specification of Silver Sage and Comfrey are as follows:
Silver Sage flower color: White
Silver Sage leaf color: Silver
Comfrey flower color: White and Light Pink
- Comfrey leaf color: Red, Green and Copper
Care of Silver Sage and Comfrey
Care of Silver Sage and Comfrey include pruning, fertilizers, watering etc. Silver Sage pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves and Comfrey pruning is done Cut or pinch the stems and Remove dead leaves. In summer Silver Sage needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Comfrey needs Lots of watering and in winter, it needs Average Water.