Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Tree
Origin
Europe, Russia
Northeastern United States, Southeastern United States, North-Central United States, Central United States, South-Central United States, Canada
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Honeylocust, Blacklocust
Number of Varieties
22
0
40000
👆🏻
Habitat
Cold Regions, stream banks
Moist Soils
USDA Hardiness Zone
6-113-9
0
99
👆🏻
AHS Heat Zone
-
9-1
Sunset Zone
21,22
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20
Habit
Upright/Erect
Oval or Rounded
Plant Size
Minimum Height
20.00 cm15.00 cm
0
3900
👆🏻
Minimum Width
90.00 cm12.30 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Light Pink
Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Orange Red
Red, Brown
Leaf Color in Spring
Red, Green, Copper
Light Green
Leaf Color in Summer
Green, Blue Green
Green, Light Green, Dark Green, Yellow green
Leaf Color in Fall
Green, Blue Green
Light Yellow
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
-
Shape
Leaf Shape
Oval
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun
Growth Rate
Medium
Fast
Type of Soil
Loam, Sand
Loam
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer
Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought, Salt
Where to Plant?
Container, Ground
Ground
How to Plant?
Root Division, Transplanting
Seedlings
Plant Maintenance
Low
Low
Watering Plants
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
occasional watering once established
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
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun
Pruning
Cut or pinch the stems, Remove dead leaves
Prune in late summer or fall, Prune in late winter, Prune in the late winter or spring, Remove damaged leaves, Remove dead branches, Remove dead leaves
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
Annosus Root Rot, Canker, Flatheaded borers, Foliage-feeding caterpillars, Oldman longhorn, Powdery mildew, Soft scales
Plant Tolerance
Shallow soil, Sun
Drought, Flooding, Heat Tolerance, Salt
Flowers
Showy
Insignificant
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
Fine
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
Sometimes
Sometimes
Self-Sowing
✔
✘
✔
✘
Attracts
Ants, Butterflies, pollinators
Cattle and horses
Allergy
Antibacterial, Peripheral Edema
Mild Allergen
Uses
Aesthetic Uses
Cottage Garden, Showy Purposes
Cottage Garden
Beauty Benefits
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
Glowing Skin, Good for skin, Improve hair condition, Improve skin condition, Skin inflammation
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Fixes Nitrogen
Fixes Nitrogen, Food for animals, Shadow Tree, soil erosion prevension on hill slopes, Soil protection
Plant Benefits
Medicinal Uses
Asthma, Diarrhea, Obesity, Osteoarthritis
anti-cancer, Antimutagenic, Rheumatoid arthritis
Part of Plant Used
Leaves, Twigs
Pulp, Seeds, Wood
Other Uses
Used for its medicinal properties
Animal Feed, As Fertilizers, Cattle Fodder, Traditional medicine
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Feature Plant, Shade Trees, Street Trees
Botanical Name
Symphytum asperum
GLEDITSIA triacanthos
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Honeylocust
In Hindi
Blackwort
हनी टिड्डी
In German
Blackwort
Honig Locust
In French
Blackwort
févier
In Spanish
Blackwort
langosta de miel
In Greek
Blackwort
μέλι ακρίδων
In Portuguese
Blackwort
picar Lokyst
In Polish
Blackwort
kłuć Lokyst
In Latin
Blackwort
MOVEO Lokyst
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Lamiales
Fabales
Family
Boraginaceae
Fabaceae
Genus
Symphytum
Gleditsia
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
Boraginoideae
Caesalpinioideae
Number of Species
3512
1
27800
👆🏻