Life Span
Perennial
Perennial
Type
Tree
Perennial
Origin
Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States
Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, Canada
Types
-
Amorphophallus konjac
Number of Varieties
33
0
40000
👆🏻
Habitat
bottomlands, Depression on prairies, ditches, Floodplains, Riverbanks, stream banks, Swamps
Mountain Slopes, subtropical regions, Tropical Climate, Warmer regions
USDA Hardiness Zone
4-94-9
0
99
👆🏻
AHS Heat Zone
9-1
9-1
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
-
Habit
Oval or Rounded
Clump-Forming
Plant Size
Minimum Height
1,220.00 cm10.20 cm
0
3900
👆🏻
Minimum Width
1,220.00 cm30.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Brown
Yellow, Orange
Flower Color Modifier
Bicolor
-
Fruit Color
Black
-
Leaf Color in Spring
Green, Light Green
Green
Leaf Color in Summer
Green, Light Green
Green
Leaf Color in Fall
Yellow, Light Yellow, Tan
Green
Leaf Color in Winter
-
Green, Purple
Shape
Leaf Shape
Oval with a pointed tip and fine teeth along their edges
bipinnate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Spring
Spring, Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Wet Site, Pollution, Soil Compaction
Drought, Salt
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings
Seedlings, Tuber propagation, Tubers
Plant Maintenance
Low
Medium
Watering Plants
Watering Requirements
Requires a lot of watering, Requires regular watering
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
Clay, Loam, Sand
Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Pruning
Prune in the late winter or spring, Remove dead or diseased plant parts, Shape and thin as needed
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, No need to fertilize every year
All-Purpose Liquid Fertilizer
Pests and Diseases
Aphids, Red blotch, Sawfly Larvae
Aphids, Birds
Plant Tolerance
Pollution, Soil Compaction, Wet Site
Drought
Flowers
Showy
Showy
Flower Petal Number
-
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
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
Birds
Allergy
Asthma
Diarrhea, Excessive flatus, gastro-intestinal problems
Uses
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Erosion control, Wildlife
Air purification
Plant Benefits
Medicinal Uses
-
Boils, bowel syndrome, cholesterol-lowering, Colic, Digestive, Fiber, Low calories, Piles, Stimulates new cell growth, Weight management and satiety
Part of Plant Used
Whole plant
Corms, Fibre, Root, Seeds, Tuber
Other Uses
used for making roof trusses, poles, joists, piles, Used in construction, Used in Furniture
Traditional medicine, Used like flour
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees
Container, Edible, Feature Plant, Groundcover, Mixed Border, Rock Garden, Wall, Wildflower
Botanical Name
BETULA nigra
OPUNTIA humifusa
Common Name
River Birch
voodoo lily, snake palm, elephant yam
In Hindi
River Birch
Konjac
In German
Fluss Birch
Teufelszunge
In French
Birch river
Amorphophallus konjac
In Spanish
river Birch
Amorphophallus konjac
In Greek
ποταμός Birch
Konjac
In Portuguese
river Birch
Amorphophallus konjac
In Polish
Rzeka Birch
konjac
In Latin
Betula
Konjac
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Alismatales
Family
Betulaceae
Araceae
Genus
Betula
Amorphophallus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
-
Thomsonieae
Subfamily
-
Aroideae
Number of Species
330
1
27800
👆🏻