Life Span
Perennial
Perennial
Type
Perennial
Flowering Plants
Origin
Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, Canada
North-Central United States, Central United States, Western United States, Texas
Types
Amorphophallus konjac
Blue Toadflax, Old-Field Toadflax
Number of Varieties
330
0
40000
👆🏻
Habitat
Mountain Slopes, subtropical regions, Tropical Climate, Warmer regions
Cultivated Beds
USDA Hardiness Zone
4-93-9
0
99
👆🏻
AHS Heat Zone
9-1
9-1
Sunset Zone
-
1a, 1b, 2a, 2b, 3a, 3b, 10
Habit
Clump-Forming
Upright/Erect
Plant Size
Minimum Height
10.20 cm61.00 cm
0
3900
👆🏻
Minimum Width
30.00 cm25.40 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Orange
Pink, Light Blue, Lavender
Flower Color Modifier
-
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green
Light Green, Blue Green, Gray Green
Leaf Color in Summer
Green
Blue Green, Gray Green
Leaf Color in Fall
Green
Blue Green, Gray Green
Leaf Color in Winter
Green, Purple
-
Shape
Leaf Shape
bipinnate
Oval to egg shaped
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Fast
Fast
Type of Soil
Loam, Sand
Clay, Loam
The pH of Soil
Acidic, Neutral, Alkaline
Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Spring, Late Spring, Early Summer, Summer
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought, Salt
Drought
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Seedlings, Tuber propagation, Tubers
Cuttings, Divison, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires plenty of water during the growing season, Requires regular watering
Average Water Needs, Do Not over Water
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral, Alkaline
Neutral, Alkaline
Soil Type
Loam, Sand
Clay, Loam
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
use all-purpose fertilizers
Pests and Diseases
Aphids, Birds
Foliar disease, Root rot, Spider mites
Plant Tolerance
Drought
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
Bold
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Bumblebees
Allergy
Diarrhea, Excessive flatus, gastro-intestinal problems
Depression, High blood cholestrol, Pain
Uses
Aesthetic Uses
-
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
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
Analgesic, Febrifuge, Stomachic
Part of Plant Used
Corms, Fibre, Root, Seeds, Tuber
Leaves, Root
Other Uses
Traditional medicine, Used like flour
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Edible, Feature Plant, Groundcover, Mixed Border, Rock Garden, Wall, Wildflower
Rock Garden / Wall, Wildflower
Botanical Name
OPUNTIA humifusa
PENSTEMON grandiflorus
Common Name
voodoo lily, snake palm, elephant yam
Large Beardtongue, Shell-leaf Penstemon, Wild Snapdragon
In Hindi
Konjac
Wild Snapdragon
In German
Teufelszunge
Wilde Snapdragon
In French
Amorphophallus konjac
Snapdragon sauvage
In Spanish
Amorphophallus konjac
Salvaje Snapdragon
In Greek
Konjac
άγρια Snapdragon
In Portuguese
Amorphophallus konjac
Selvagem Snapdragon
In Polish
konjac
Dziki Snapdragon
In Latin
Konjac
Phlox Ferae
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Alismatales
Scrophulariales
Family
Araceae
Scrophulariaceae
Genus
Amorphophallus
Penstemon
Clade
Angiosperms, Monocots
Angiosperms, Asterids, Eudicots
Tribe
Thomsonieae
-
Subfamily
Aroideae
Scrophularioideae
Number of Species
3040
1
27800
👆🏻