Life Span
Annual
Perennial
Type
Bulb or Corm or Tuber
Broadleaf Evergreen
Origin
Eastern Europe, Southern Europe, Mediterranean, Turkey, Western Asia
Europe, Russia
Types
Mountain silverbell , Rosea
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Habitat
Floodplains, low mountains, Lower slopes, secondary forest
Cold Regions, stream banks
USDA Hardiness Zone
5-9
6-11
Habit
Clump-Forming
Upright/Erect
Flower Color
White
White, Light Pink
Flower Color Modifier
Bicolor
Bicolor
Leaf Color in Spring
Green
Red, Green, Copper
Leaf Color in Summer
Light Green
Green, Blue Green
Leaf Color in Fall
Several shades of Green
Green, Blue Green
Leaf Color in Winter
Light Green
Red, Dark Green, Burgundy, Bronze
Leaf Shape
Acuminate
Oval
Plant Season
Spring
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Type of Soil
-
Loam, Sand
The pH of Soil
-
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Spring, Late Spring
Late Spring, Early Summer, Summer
Where to Plant?
Ground
Container, Ground
How to Plant?
Layering, Seedlings, Stem Cutting
Root Division, Transplanting
Plant Maintenance
Medium
Low
Watering Requirements
occasional watering once established
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
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Pruning
Prune grass to maintain level, Remove damaged leaves, Remove dead branches, Remove dead leaves
Cut or pinch the stems, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
Pests and Diseases
Pests and diseases free
Aphids, Stem spot
Plant Tolerance
Drought and Salt
Shallow soil, Sun
Flower Petal Number
Single
Single
Foliage Texture
Medium
Medium
Foliage Sheen
Glossy
Glossy
Invasive
Sometimes
Sometimes
Attracts
Bees, Flying insects
Ants, Butterflies, pollinators
Allergy
-
Antibacterial, Peripheral Edema
Aesthetic Uses
along a porch, deck or patio, Beautification, Cottage Garden, Showy Purposes, Wild gardens
Cottage Garden, Showy Purposes
Beauty Benefits
-
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
Environmental Uses
Air purification
Air purification, Fixes Nitrogen
Medicinal Uses
-
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
-
Leaves, Twigs
Other Uses
Decoration Purposes
Used for its medicinal properties
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Cutflower, Mixed Border, Rock Garden / Wall
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
ORNITHOGALUM nutans
Symphytum asperum
Common Name
Drooping Star-of-Bethlehem, Nodding Star-of-Bethlehem, Silver Bells
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
Silver bells
Blackwort
In German
Silver bells
Blackwort
In French
Silver bells
Blackwort
In Spanish
Silver bells
Blackwort
In Greek
Silver bells
Blackwort
In Portuguese
Silver bells
Blackwort
In Polish
Silver bells
Blackwort
In Latin
Silver bells
Blackwort
Phylum
Angiosperms
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Family
Asparagaceae
Boraginaceae
Clade
Eudicots
Angiosperms, Eudicots, Rosids
Subfamily
-
Boraginoideae
Season and Care of Silver Bells and Comfrey
Season and care of Silver Bells and Comfrey is important to know. While considering everything about Silver Bells and Comfrey Care, growing season is an essential factor. Silver Bells season is Spring and Comfrey season is Spring. The type of soil for Silver Bells is and for Comfrey is Loam, Sand while the PH of soil for Silver Bells is and for Comfrey is Acidic, Neutral.
Silver Bells and Comfrey Physical Information
Silver Bells and Comfrey physical information is very important for comparison. Silver Bells height is 25.40 cm and width 30.50 cm whereas Comfrey height is 20.00 cm and width 90.00 cm. The color specification of Silver Bells and Comfrey are as follows:
Silver Bells flower color: White
Silver Bells leaf color: Green
Comfrey flower color: White and Light Pink
- Comfrey leaf color: Red, Green and Copper
Care of Silver Bells and Comfrey
Care of Silver Bells and Comfrey include pruning, fertilizers, watering etc. Silver Bells pruning is done Prune grass to maintain level, 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 Bells 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.