Life Span
Perennial
Perennial
Type
Tree
Perennial
Origin
North America
Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, Canada
Types
Bergmann's Elm, Chestnut-leafed Elm, Hangzhou Elm
Amorphophallus konjac
Number of Varieties
1753
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Mountain Slopes, subtropical regions, Tropical Climate, Warmer regions
USDA Hardiness Zone
3-94-9
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, 14, 15, 16, 17, 18, 19, 20, 21
-
Habit
Upright/Erect
Clump-Forming
Plant Size
Minimum Height
3,900.00 cm10.20 cm
0
3900
👆🏻
Minimum Width
3,700.00 cm30.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Green
Yellow, Orange
Flower Color Modifier
Bicolor
-
Fruit Color
Tan
-
Leaf Color in Spring
Light Green
Green
Leaf Color in Summer
Dark Green
Green
Leaf Color in Fall
Light Yellow
Green
Leaf Color in Winter
-
Green, Purple
Shape
Leaf Shape
Ovate
bipinnate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Fast
Type of Soil
Loam
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Early Spring
Spring, Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Pollution
Drought, Salt
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Budding, Grafting, Seedlings, Semi-hardwood cuttings, Softwood cuttings
Seedlings, Tuber propagation, Tubers
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water, 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
Loam
Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun
Full Sun, Partial Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts, Remove deadheads
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
Complete balanced fertilizer, fertilize in spring
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Aphids, Birds
Plant Tolerance
Pollution
Drought
Flowers
✔
✘
✔
✘
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
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Butterflies
Birds
Allergy
Pollen
Diarrhea, Excessive flatus, gastro-intestinal problems
Uses
Aesthetic Uses
-
-
Beauty Benefits
Good for skin and hair
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Nesting sites for birds, Shadow Tree
Air purification
Plant Benefits
Medicinal Uses
Antispasmodic, Astringent, Birthing aid, Haemostatic, Salve
Boils, bowel syndrome, cholesterol-lowering, Colic, Digestive, Fiber, Low calories, Piles, Stimulates new cell growth, Weight management and satiety
Part of Plant Used
Bark, Fibre, Leaves
Corms, Fibre, Root, Seeds, Tuber
Other Uses
Container, String, Used for woodware, Used in paper industry
Traditional medicine, Used like flour
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Container, Edible, Feature Plant, Groundcover, Mixed Border, Rock Garden, Wall, Wildflower
Botanical Name
ULMUS americana 'Augustine'
OPUNTIA humifusa
Common Name
American Elm, Augustine Elm
voodoo lily, snake palm, elephant yam
In Hindi
American Elm Tree
Konjac
In German
Amerikanische Ulme
Teufelszunge
In French
Américaine Elm Tree
Amorphophallus konjac
In Spanish
Olmo Americano Árbol
Amorphophallus konjac
In Greek
American Elm Tree
Konjac
In Portuguese
Árvore de olmo americano
Amorphophallus konjac
In Polish
Amerykańska Elm Tree
konjac
In Latin
Latin ulmo
Konjac
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Urticales
Alismatales
Family
Ulmaceae
Araceae
Genus
Ulmus
Amorphophallus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
-
Thomsonieae
Subfamily
-
Aroideae
Number of Species
630
1
27800
👆🏻