Plant Care Devil's Tongue

Devil's Tongue

Also known as

Konjac, Konjac, Konnyaku Potato, Snake Palm and Elephant Yam


Amorphophallus konjac

How to care for Devil's Tongue


How often to water your Devil's Tongue

Water needs for Devil's Tongue
0.5 cups
every 9

Devil's Tongue needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot.

Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.

Calculate water needs of Devil's Tongue

Water 0.5 cups every

Does your plant get direct sunlight?

Select the pot size


Check the growing potential in your area

A plant's growing potential is determined from its location, the time of year, and current local weather.

Select a city to check sunlight intensity

Finding light for Konjac in your home

Light needs and placement for plant Devil's Tongue: 1ft from a window
1ft or less from
a window

Devil's Tongue love being close to bright, sunny windows 😎.

Place it less than 1ft from a south-facing window to maximize the potential for growth.

Devil's Tongue does not tolerate low-light 🚫.

Select your region to see how the current weather in your area affects the placement of Devil's Tongue in your home 🏡.


How to fertilize Devil's Tongue

Nutrient, fertilizer, and repotting needs for Devil's Tongue: repot after 2X growth

Most potting soils come with ample nutrients which plants use to produce new growth.

By the time your plant has depleted the nutrients in its soil it’s likely grown enough to need a larger pot anyway.

To replenish this plant's nutrients, repot your Devil's Tongue after it doubles in size or once a year—whichever comes first.

Difficulty Level

Devil's Tongue is generally easy to care for, though some plant parents report facing challenges with growing it. Check out the reviews down below to read more about their experiences!

Water Needs
Sunlight Needs
Growth Pattern
Growing Outdoors

Care Summary for Devil's Tongue

Devil's Tongue

Devil's Tongue

Greg recommends:


0.5 cups every 9 days


< 1ft from a window


Repot after 2x growth

Based on the 4” pot your plant is in, and that it doesn’t get direct sunlight.

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