Life Span
Perennial
Perennial
Type
Tree
Broadleaf Evergreen
Origin
Northeastern United States, Southeastern United States, North-Central United States, Central United States, South-Central United States, Canada
Europe, Russia
Types
Honeylocust, Blacklocust
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
22
0
40000
👆🏻
Habitat
Moist Soils
Cold Regions, stream banks
USDA Hardiness Zone
3-96-11
0
99
👆🏻
AHS Heat Zone
9-1
-
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20
21,22
Habit
Oval or Rounded
Upright/Erect
Plant Size
Minimum Height
15.00 cm20.00 cm
0
3900
👆🏻
Minimum Width
12.30 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow green
White, Light Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Red, Brown
Orange Red
Leaf Color in Spring
Light Green
Red, Green, Copper
Leaf Color in Summer
Green, Light Green, Dark Green, Yellow green
Green, Blue Green
Leaf Color in Fall
Light Yellow
Green, Blue Green
Leaf Color in Winter
-
Red, Dark Green, Burgundy, Bronze
Shape
Leaf Shape
Pinnate
Oval
Thorns
✔
✘
✔
✘
Plant Season
Summer
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Medium
Type of Soil
Loam
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought, Salt
-
Where to Plant?
Ground
Container, Ground
How to Plant?
Seedlings
Root Division, Transplanting
Plant Maintenance
Low
Low
Watering Plants
Watering Requirements
occasional watering once established
Allow to dry out slightly between watering, Water daily during growing season
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Type
Loam
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun
Full Sun, Partial Sun, Partial shade
Pruning
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
Cut or pinch the stems, Remove dead leaves
Fertilizers
20-10-10, All-Purpose Liquid Fertilizer
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
Pests and Diseases
Annosus Root Rot, Canker, Flatheaded borers, Foliage-feeding caterpillars, Oldman longhorn, Powdery mildew, Soft scales
Aphids, Stem spot
Plant Tolerance
Drought, Flooding, Heat Tolerance, Salt
Shallow soil, Sun
Flowers
Insignificant
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
Fine
Medium
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
Sometimes
Sometimes
Self-Sowing
✔
✘
✔
✘
Attracts
Cattle and horses
Ants, Butterflies, pollinators
Allergy
Mild Allergen
Antibacterial, Peripheral Edema
Uses
Aesthetic Uses
Cottage Garden
Cottage Garden, Showy Purposes
Beauty Benefits
Glowing Skin, Good for skin, Improve hair condition, Improve skin condition, Skin inflammation
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
Edible Uses
✔
✘
✔
✘
Environmental Uses
Fixes Nitrogen, Food for animals, Shadow Tree, soil erosion prevension on hill slopes, Soil protection
Air purification, Fixes Nitrogen
Plant Benefits
Medicinal Uses
anti-cancer, Antimutagenic, Rheumatoid arthritis
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
Pulp, Seeds, Wood
Leaves, Twigs
Other Uses
Animal Feed, As Fertilizers, Cattle Fodder, Traditional medicine
Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
GLEDITSIA triacanthos
Symphytum asperum
Common Name
Honeylocust
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
हनी टिड्डी
Blackwort
In German
Honig Locust
Blackwort
In French
févier
Blackwort
In Spanish
langosta de miel
Blackwort
In Greek
μέλι ακρίδων
Blackwort
In Portuguese
picar Lokyst
Blackwort
In Polish
kłuć Lokyst
Blackwort
In Latin
MOVEO Lokyst
Blackwort
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fabales
Lamiales
Family
Fabaceae
Boraginaceae
Genus
Gleditsia
Symphytum
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
Caesalpinioideae
Boraginoideae
Number of Species
1235
1
27800
👆🏻