Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Tree
Origin
Europe, Russia
Southeastern Asia, Melanesia, Micronesia, Polynesia
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
-
Number of Varieties
2-
0
40000
👆🏻
Habitat
Cold Regions, stream banks
Subtropical climates, Tropical regions
USDA Hardiness Zone
6-1110-12
0
99
👆🏻
AHS Heat Zone
-
12-9
Sunset Zone
21,22
H2, 23, 24
Habit
Upright/Erect
Oval or Rounded
Plant Size
Minimum Height
20.00 cm1,370.00 cm
0
3900
👆🏻
Minimum Width
90.00 cm1,520.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Light Pink
White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Orange Red
Light Green, Gray Green
Leaf Color in Spring
Red, Green, Copper
Green, Gray Green, Gray
Leaf Color in Summer
Green, Blue Green
Green, Gray Green, Gray
Leaf Color in Fall
Green, Blue Green
Green, Gray Green
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
Green
Shape
Leaf Shape
Oval
Ovate
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
Very Fast
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer
Indeterminate
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Wet Site, Drought, Salt
Where to Plant?
Container, Ground
Ground
How to Plant?
Root Division, Transplanting
Seedlings, Stem Planting
Plant Maintenance
Low
Medium
Watering Plants
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
Average Water Needs, Do Not over Water, Never Over-water, Requires a lot of watering
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, Alkaline
Soil Type
Loam, Sand
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
-
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
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Ants, Butterflies, pollinators
Birds, Butterflies
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
constipation, Diarrhea, Digestive disorders, Dysentry, Fever, Tooth ache
Part of Plant Used
Leaves, Twigs
Fruits, Seeds
Other Uses
Used for its medicinal properties
Making Shampoo, Making Sweet Scented Oil, Used As Food
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Mixed Border, Shade Trees, Street Trees, Tropical
Botanical Name
Symphytum asperum
ALEURITES moluccanus
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Candleberry, Candlenut, Kukui
In Hindi
Blackwort
candlenut पेड़
In German
Blackwort
Candlenut Baum
In French
Blackwort
arbre Candlenut
In Spanish
Blackwort
árbol candlenut
In Greek
Blackwort
candlenut δέντρο
In Portuguese
Blackwort
candlenut árvore
In Polish
Blackwort
Tung Molukański drzewo
In Latin
Blackwort
Candlenut ligno
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Spermatophyta
Class
Magnoliopsida
Dicotyledonae
Order
Lamiales
Malpighiales
Family
Boraginaceae
Euphorbiaceae
Genus
Symphytum
Aleurites
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
Aleuritideae
Subfamily
Boraginoideae
Crotonoideae
Number of Species
35600
1
27800
👆🏻