Life Span
Perennial
Perennial
Type
Perennial
Broadleaf Evergreen
Origin
Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, Canada
Europe, Russia
Types
Amorphophallus konjac
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
32
0
40000
👆🏻
Habitat
Mountain Slopes, subtropical regions, Tropical Climate, Warmer regions
Cold Regions, stream banks
USDA Hardiness Zone
4-96-11
0
99
👆🏻
AHS Heat Zone
9-1
-
Sunset Zone
-
21,22
Habit
Clump-Forming
Upright/Erect
Plant Size
Minimum Height
10.20 cm20.00 cm
0
3900
👆🏻
Minimum Width
30.00 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Orange
White, Light Pink
Flower Color Modifier
-
Bicolor
Fruit Color
-
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, Purple
Red, Dark Green, Burgundy, Bronze
Shape
Leaf Shape
bipinnate
Oval
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Medium
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Spring, Late Spring, Early Summer, Summer
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought, Salt
-
Where to Plant?
Container, Ground, Pot
Container, Ground
How to Plant?
Seedlings, Tuber propagation, Tubers
Root Division, Transplanting
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Requires plenty of water during the growing season, Requires regular watering
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, 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
Remove damaged leaves, Remove dead branches, Remove dead leaves
Cut or pinch the stems, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
Pests and Diseases
Aphids, Birds
Aphids, Stem spot
Plant Tolerance
Drought
Shallow soil, Sun
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
Bold
Medium
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Ants, Butterflies, pollinators
Allergy
Diarrhea, Excessive flatus, gastro-intestinal problems
Antibacterial, Peripheral Edema
Uses
Aesthetic Uses
-
Cottage Garden, Showy Purposes
Beauty Benefits
-
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Fixes Nitrogen
Plant Benefits
Medicinal Uses
Boils, bowel syndrome, cholesterol-lowering, Colic, Digestive, Fiber, Low calories, Piles, Stimulates new cell growth, Weight management and satiety
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
Corms, Fibre, Root, Seeds, Tuber
Leaves, Twigs
Other Uses
Traditional medicine, Used like flour
Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Edible, Feature Plant, Groundcover, Mixed Border, Rock Garden, Wall, Wildflower
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
OPUNTIA humifusa
Symphytum asperum
Common Name
voodoo lily, snake palm, elephant yam
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
Konjac
Blackwort
In German
Teufelszunge
Blackwort
In French
Amorphophallus konjac
Blackwort
In Spanish
Amorphophallus konjac
Blackwort
In Greek
Konjac
Blackwort
In Portuguese
Amorphophallus konjac
Blackwort
In Polish
konjac
Blackwort
In Latin
Konjac
Blackwort
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Alismatales
Lamiales
Family
Araceae
Boraginaceae
Genus
Amorphophallus
Symphytum
Clade
Angiosperms, Monocots
Angiosperms, Eudicots, Rosids
Tribe
Thomsonieae
-
Subfamily
Aroideae
Boraginoideae
Number of Species
3035
1
27800
👆🏻