Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Fruit
Origin
Europe, Russia
Southeastern Asia, Japan
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Clementines, dancy, fallglo, lee
Number of Varieties
250
0
40000
👆🏻
Habitat
Cold Regions, stream banks
Subtropical climates, Tropical regions
USDA Hardiness Zone
6-118-11
0
99
👆🏻
AHS Heat Zone
-
10-8
Sunset Zone
21,22
H1, H2, 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Oval or Rounded
Plant Size
Minimum Height
20.00 cm300.00 cm
0
3900
👆🏻
Minimum Width
90.00 cm300.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Light Pink
White, Red, Purple
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Orange Red
Green, Orange
Leaf Color in Spring
Red, Green, Copper
Green, Dark Green
Leaf Color in Summer
Green, Blue Green
Green, Dark Green
Leaf Color in Fall
Green, Blue Green
Green, Dark Green
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
Light Green
Shape
Leaf Shape
Oval
Lance shaped
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
Medium
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer
Spring, Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Container, Ground
Ground
How to Plant?
Root Division, Transplanting
Grafting, Seedlings
Plant Maintenance
Low
Medium
Watering Plants
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
Average Water Needs, occasional watering once established, Water more in summer
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
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
Remove damaged leaves, Remove dead branches, Remove dead leaves, Requires little pruning
Fertilizers
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
20-10-10, All-Purpose Liquid Fertilizer
Pests and Diseases
Aphids, Stem spot
Aphids, Beetles, Earwigs, Leafminers, Red blotch
Plant Tolerance
Shallow soil, Sun
Cold climate, 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
Beetles, Birds, Butterflies, Insects, Leaf Hoppers, Rabbits
Allergy
Antibacterial, Peripheral Edema
-
Uses
Aesthetic Uses
Cottage Garden, Showy Purposes
-
Beauty Benefits
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
Glowing Skin, Skin Problems
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Fixes Nitrogen
Air purification
Plant Benefits
Medicinal Uses
Asthma, Diarrhea, Obesity, Osteoarthritis
Aging, Antioxidants, High blood pressure, High cholestrol, Skin Disorders
Part of Plant Used
Leaves, Twigs
Fruits
Other Uses
Used for its medicinal properties
Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Container, Edible, Feature Plant, Fruit / Fruit Tree, Hedges, Houseplant, Mixed Border, Topiary / Bonsai / Espalier
Botanical Name
Symphytum asperum
CITRUS reticulata 'Armstrong'
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Armstrong Tangerine, Tangerine
In Hindi
Blackwort
संतरा
In German
Blackwort
Mandarine
In French
Blackwort
mandarine
In Spanish
Blackwort
mandarina
In Greek
Blackwort
μανταρίνι
In Portuguese
Blackwort
tangerina
In Polish
Blackwort
mandarynka
In Latin
Blackwort
Tangerine
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Lamiales
Sapindales
Family
Boraginaceae
Rutaceae
Genus
Symphytum
Citrus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
Boraginoideae
-
Number of Species
3520
1
27800
👆🏻