Life Span
Perennial
Perennial
Type
Cactus or Succulent
Broadleaf Evergreen
Origin
Eastern Asia, India
Europe, Russia
Types
-
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
-2
0
40000
👆🏻
Habitat
Temperate Regions, Tropical regions
Cold Regions, stream banks
USDA Hardiness Zone
10-116-11
0
99
👆🏻
AHS Heat Zone
-
-
Sunset Zone
H1, H2, 24
21,22
Habit
Oval or Rounded
Upright/Erect
Plant Size
Minimum Height
120.00 cm20.00 cm
0
3900
👆🏻
Minimum Width
12.00 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Yellow green
White, Light Pink
Flower Color Modifier
-
Bicolor
Fruit Color
Pink
Orange Red
Leaf Color in Spring
Green
Red, Green, Copper
Leaf Color in Summer
Green
Green, Blue Green
Leaf Color in Fall
Green
Green, Blue Green
Leaf Color in Winter
Green
Red, Dark Green, Burgundy, Bronze
Shape
Leaf Shape
Succulent
Oval
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Medium
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Indeterminate
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought, Dry soil, Heat Tolerance
-
Where to Plant?
Container, Ground
Container, Ground
How to Plant?
Grafting, Stem Planting
Root Division, Transplanting
Plant Maintenance
Low
Low
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water, Never Over-water
Allow to dry out slightly between watering, Water daily during growing season
In Summer
Ample Water
Lots of watering
In Spring
Average Water
Moderate
In Winter
Less Watering
Average Water
Soil
Soil pH
Neutral, Alkaline
Acidic, Neutral
Soil Type
Loam, Sand
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Pruning
Prune if you want to improve plant shape, Remove damaged leaves, Remove dead leaves, Remove dead or diseased plant parts
Cut or pinch the stems, Remove dead leaves
Fertilizers
fertilize in fall, fertilize in spring, fertilize in summer, Nitrogen
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
Pests and Diseases
Powdery mildew, Red blotch, Root rot, Scale
Aphids, Stem spot
Plant Tolerance
Drought, Dry soil, Heat Tolerance
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
Bold
Medium
Foliage Sheen
-
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Insects
Ants, Butterflies, pollinators
Allergy
Skin irritation
Antibacterial, Peripheral Edema
Uses
Aesthetic Uses
Beautification, Bonsai, Landscape Designing, Showy Purposes
Cottage Garden, Showy Purposes
Beauty Benefits
-
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Erosion control, Food for insects, Very little waste, Wildlife
Air purification, Fixes Nitrogen
Plant Benefits
Medicinal Uses
-
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
Leaves
Leaves, Twigs
Other Uses
Air freshner, Showy Purposes, Traditional medicine, Used as Ornamental plant, Used for its medicinal properties
Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Foundation, Hedges, Houseplant, Mixed Border, Tropical
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
EUPHORBIA lactea
Symphytum asperum
Common Name
Mottled Spurge, Frilled Fan, Elkhorn
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
Elkhorn
Blackwort
In German
Elkhorn
Blackwort
In French
Elkhorn
Blackwort
In Spanish
cuerno de alce
Blackwort
In Greek
Elkhorn
Blackwort
In Portuguese
Elkhorn
Blackwort
In Polish
Elkhorn
Blackwort
In Latin
Elkhorn
Blackwort
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Malpighiales
Lamiales
Family
Euphorbiaceae
Boraginaceae
Genus
Euphorbia
Symphytum
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
Euphorbieae
-
Subfamily
Euphorbioideae
Boraginoideae
Number of Species
135
1
27800
👆🏻