Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Cactus or Succulent
Origin
Europe, Russia
Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
-
Number of Varieties
24
0
40000
👆🏻
Habitat
Cold Regions, stream banks
Desert, Hardwood forests, Hillside, Humid climates, Rocky Ridges, wastelands
USDA Hardiness Zone
6-116-11
0
99
👆🏻
AHS Heat Zone
-
11-5
Sunset Zone
21,22
H1, H2, 7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Rosette/Stemless
Plant Size
Minimum Height
20.00 cm30.50 cm
0
3900
👆🏻
Minimum Width
90.00 cm35.60 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Light Pink
Light Green, Gray Green
Flower Color Modifier
Bicolor
-
Fruit Color
Orange Red
Tan
Leaf Color in Spring
Red, Green, Copper
Green
Leaf Color in Summer
Green, Blue Green
Green
Leaf Color in Fall
Green, Blue Green
Green
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
Green, Dark Green
Shape
Leaf Shape
Oval
Long linear and narrow
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Growth Rate
Medium
-
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
-
Where to Plant?
Container, Ground
Ground, Pot
How to Plant?
Root Division, Transplanting
Seedlings
Plant Maintenance
Low
Medium
Watering Plants
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
Average Water Needs, Does not require 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
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, Partial shade
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
-
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
Bold
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Ants, Butterflies, pollinators
-
Allergy
Antibacterial, Peripheral Edema
Skin irritation
Uses
Aesthetic Uses
Cottage Garden, Showy Purposes
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, Gastrointestinal disorders
Part of Plant Used
Leaves, Twigs
Leaves, Sap, Seeds, Stem
Other Uses
Used for its medicinal properties
Pulp can be used to make rope place mats and other goods, Used in making beverages
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Container, Mixed Border, Rock Garden, Wall, Wildflower
Botanical Name
Symphytum asperum
MANFREDA virginica
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Century plant
Maguey
American aloe
In Hindi
Blackwort
अमेरिकी मुसब्बर
In German
Blackwort
amerikanischen Aloe
In French
Blackwort
américaine Aloe
In Spanish
Blackwort
Americana Aloe
In Greek
Blackwort
Αμερικανός Αλόη
In Portuguese
Blackwort
americano Aloe
In Polish
Blackwort
Amerykański Aloe
In Latin
Blackwort
American Aloe
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
-
Class
Magnoliopsida
Liliopsida
Order
Lamiales
Asparagales
Family
Boraginaceae
Agavaceae
Genus
Symphytum
Agave
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
-
-
Subfamily
Boraginoideae
Agavoideae
Number of Species
35199
1
27800
👆🏻