Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Broadleaf Evergreen
Origin
Europe, Russia
-
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Viburnum betulifolium
Viburnum dentatum
Viburnum edule
Viburnum farreri
Viburnum dilatatum
Number of Varieties
230
0
40000
👆🏻
Habitat
Cold Regions, stream banks
Swamps
USDA Hardiness Zone
6-115-8
0
99
👆🏻
AHS Heat Zone
-
-
Sunset Zone
21,22
21,22
Habit
Upright/Erect
Oval or Rounded
Plant Size
Minimum Height
20.00 cm240.00 cm
0
3900
👆🏻
Minimum Width
90.00 cm180.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Light Pink
White, Pink, Light Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Orange Red
-
Leaf Color in Spring
Red, Green, Copper
Dark Green
Leaf Color in Summer
Green, Blue Green
Dark Green
Leaf Color in Fall
Green, Blue Green
Dark Green
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
Gray Green, Dark Green
Shape
Leaf Shape
Oval
Lanceolate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
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
Soil Drainage
Well drained
Average
Bloom Time
Late Spring, Early Summer, Summer
Spring, Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought, Soil Compaction
Where to Plant?
Container, Ground
Ground
How to Plant?
Root Division, Transplanting
Rooted stem cutting, Stem Cutting
Plant Maintenance
Low
Medium
Watering Plants
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
Do not water frequently, Needs very little water
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
Soil Type
Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
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
Pests and Diseases
Aphids, Stem spot
Red blotch
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
Medium
Foliage Sheen
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Ants, Butterflies, pollinators
Aphids, Mites
Allergy
Antibacterial, Peripheral Edema
-
Uses
Aesthetic Uses
Cottage Garden, 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
Diaphoretic, Febrifuge
Part of Plant Used
Leaves, Twigs
Fruits
Other Uses
Used for its medicinal properties
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Feature Plant, Foundation, Mixed Border, Screening, Wind Break
Botanical Name
Symphytum asperum
VIBURNUM 'Pragense'
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Withe Rod
Appalachian Tea
Witherod Viburnum
Witherod
In Hindi
Blackwort
Viburnum
In German
Blackwort
Viburnum
In French
Blackwort
Viorne
In Spanish
Blackwort
Viburnum
In Greek
Blackwort
Είδος αιγοκλήματος
In Portuguese
Blackwort
viburno
In Polish
Blackwort
Kalina
In Latin
Blackwort
Viburnum
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Lamiales
Dipsacales
Family
Boraginaceae
Caprifoliaceae
Genus
Symphytum
Viburnum
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
-
Subfamily
Boraginoideae
-
Number of Species
35175
1
27800
👆🏻