Life Span
Perennial
Perennial
Type
Vines
Broadleaf Evergreen
Origin
Africa, South America, Southeast Asia
Europe, Russia
Types
Oriental Bittersweet, American Bittersweet
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Habitat
All sorts of environments
Cold Regions, stream banks
USDA Hardiness Zone
9-12
6-11
Sunset Zone
H1, H2, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
21,22
Habit
Oval or Rounded
Upright/Erect
Flower Color
Light Green, Light Yellow, Yellow green
White, Light Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Light Yellow, Red
Orange Red
Leaf Color in Spring
Green, Dark Green
Red, Green, Copper
Leaf Color in Summer
Dark Green
Green, Blue Green
Leaf Color in Fall
Dark Green
Green, Blue Green
Leaf Color in Winter
-
Red, Dark Green, Burgundy, Bronze
Leaf Shape
Round with toothed margin
Oval
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Sunlight
Full Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Medium
Medium
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Late Winter
Late Spring, Early Summer, Summer
Tolerances
Pollution, Drought, Salt
-
Where to Plant?
Ground
Container, Ground
How to Plant?
Seedlings, Stem Planting
Root Division, Transplanting
Plant Maintenance
Medium
Low
Watering Requirements
Do not water frequently
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
Loam, Sand
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun
Full Sun, Partial Sun, Partial shade
Pruning
Remove dead branches
Cut or pinch the stems, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Does not require fertilizer once established
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
Pests and Diseases
Leaf rust, Thripes
Aphids, Stem spot
Plant Tolerance
Drought, Sun
Shallow soil, Sun
Flower Petal Number
Single
Single
Foliage Texture
Coarse
Medium
Foliage Sheen
Glossy
Glossy
Attracts
Fruit Bats, Hummingbirds
Ants, Butterflies, pollinators
Allergy
Chest Pain, Inflammation, Skin rash, Vomiting
Antibacterial, Peripheral Edema
Aesthetic Uses
Bouquets
Cottage Garden, Showy Purposes
Beauty Benefits
For treating wrinkles, Skin cleanser
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
Environmental Uses
Food for birds, Suppresses or replaces native plants
Air purification, Fixes Nitrogen
Medicinal Uses
Antibacterial, antimicrobial, Antispasmodic
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
Seeds
Leaves, Twigs
Other Uses
Application in Handicrafts, Used as a nemiticide, Used for its medicinal properties
Used for its medicinal properties
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Shade Trees, Street Trees, Tropical
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
Celastrus orbiculatus
Symphytum asperum
Common Name
Oriental bittersweet, Asian bittersweet
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
Asian bittersweet
Blackwort
In German
Rundblättriger Baumwürger
Blackwort
In French
Asian bittersweet
Blackwort
In Spanish
Asian bittersweet
Blackwort
In Greek
Asian bittersweet
Blackwort
In Portuguese
Asian bittersweet
Blackwort
In Polish
Dławisz okrągłolistny
Blackwort
In Latin
Asian bittersweet
Blackwort
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Celastrales
Lamiales
Family
Celastraceae
Boraginaceae
Genus
Celastrus
Symphytum
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Subfamily
Celastroideae
Boraginoideae
Season and Care of Bittersweet and Comfrey
Season and care of Bittersweet and Comfrey is important to know. While considering everything about Bittersweet and Comfrey Care, growing season is an essential factor. Bittersweet season is Spring, Summer, Fall and Winter and Comfrey season is Spring, Summer, Fall and Winter. The type of soil for Bittersweet is Loam, Sand and for Comfrey is Loam, Sand while the PH of soil for Bittersweet is Acidic, Neutral, Alkaline and for Comfrey is Acidic, Neutral.
Bittersweet and Comfrey Physical Information
Bittersweet and Comfrey physical information is very important for comparison. Bittersweet height is 3,050.00 cm and width 1,520.00 cm whereas Comfrey height is 20.00 cm and width 90.00 cm. The color specification of Bittersweet and Comfrey are as follows:
Bittersweet flower color: Light Green, Light Yellow and Yellow green
Bittersweet leaf color: Green and Dark Green
Comfrey flower color: White and Light Pink
- Comfrey leaf color: Red, Green and Copper
Care of Bittersweet and Comfrey
Care of Bittersweet and Comfrey include pruning, fertilizers, watering etc. Bittersweet pruning is done Remove dead branches and Comfrey pruning is done Cut or pinch the stems and Remove dead leaves. In summer Bittersweet 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.