Plant Care Trapa Natans

Trapa Natans

Also known as

Water Chestnut, Water Chestnut and Water Caltrop

Taxonomy

Trapa natans
Trapa
Lythraceae
Myrtales

How to care for Trapa Natans

Water

How often to water your Trapa Natans

Water needs for Trapa Natans
0.5 cups
every 9

Trapa Natans 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 Trapa Natans

Water 0.5 cups every
9

Does your plant get direct sunlight?

Select the pot size

5"
Light

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 Water Chestnut in your home

Light needs and placement for plant Trapa Natans: 3ft from a window
3ft or less from
a window

Trapa Natans may have difficulty thriving, and will drop leaves 🍃, without ample sunlight.

Place it less than 3 feet from a south-facing window to maximize the potential for growth.

Select your region to see how the current weather in your area affects the placement of Trapa Natans in your home 🏡.

Nutrients

How to fertilize Trapa Natans

Nutrient, fertilizer, and repotting needs for Trapa Natans: 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 Trapa Natans after it doubles in size or once a year—whichever comes first.

FAQs
Water Needs
Sunlight Needs
Toxicity
Growing Outdoors

Care Summary for Trapa Natans

Trapa Natans

Trapa Natans


Greg recommends:

Water

0.5 cups every 9 days

Placement

< 3ft from a window

Nutrients

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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