Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Perennial
Origin
Europe, Russia
Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, Canada
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Amorphophallus konjac
Number of Varieties
23
0
40000
👆🏻
Habitat
Cold Regions, stream banks
Mountain Slopes, subtropical regions, Tropical Climate, Warmer regions
USDA Hardiness Zone
6-114-9
0
99
👆🏻
AHS Heat Zone
-
9-1
Sunset Zone
21,22
-
Habit
Upright/Erect
Clump-Forming
Plant Size
Minimum Height
20.00 cm10.20 cm
0
3900
👆🏻
Minimum Width
90.00 cm30.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Light Pink
Yellow, Orange
Flower Color Modifier
Bicolor
-
Fruit Color
Orange Red
-
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, Purple
Shape
Leaf Shape
Oval
bipinnate
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
Fast
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer
Spring, Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought, Salt
Where to Plant?
Container, Ground
Container, Ground, Pot
How to Plant?
Root Division, Transplanting
Seedlings, Tuber propagation, Tubers
Plant Maintenance
Low
Medium
Watering Plants
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
Requires plenty of water during the growing season, Requires regular watering
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, 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
Aphids, Birds
Plant Tolerance
Shallow soil, Sun
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
Bold
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Ants, Butterflies, pollinators
Birds
Allergy
Antibacterial, Peripheral Edema
Diarrhea, Excessive flatus, gastro-intestinal problems
Uses
Aesthetic Uses
Cottage Garden, 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
Boils, bowel syndrome, cholesterol-lowering, Colic, Digestive, Fiber, Low calories, Piles, Stimulates new cell growth, Weight management and satiety
Part of Plant Used
Leaves, Twigs
Corms, Fibre, Root, Seeds, Tuber
Other Uses
Used for its medicinal properties
Traditional medicine, Used like flour
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Container, Edible, Feature Plant, Groundcover, Mixed Border, Rock Garden, Wall, Wildflower
Botanical Name
Symphytum asperum
OPUNTIA humifusa
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
voodoo lily, snake palm, elephant yam
In Hindi
Blackwort
Konjac
In German
Blackwort
Teufelszunge
In French
Blackwort
Amorphophallus konjac
In Spanish
Blackwort
Amorphophallus konjac
In Greek
Blackwort
Konjac
In Portuguese
Blackwort
Amorphophallus konjac
In Polish
Blackwort
konjac
In Latin
Blackwort
Konjac
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Lamiales
Alismatales
Family
Boraginaceae
Araceae
Genus
Symphytum
Amorphophallus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
-
Thomsonieae
Subfamily
Boraginoideae
Aroideae
Number of Species
3530
1
27800
👆🏻