Plant Care Marsh Pennywort

Marsh Pennywort

Reviewed by: | Last Updated: 09/08/2022

About Marsh Pennywort

Marsh Pennywort is a super rare houseplant 🌿 that is easy to grow and needs lots of water to thrive. They do best in long-lasting, direct light ☀️ and should be less than 1 foot from a window.

Marsh Pennywort likes soil that is good at retaining moisture. Your plant shouldn't need added fertilizers if you repot each time it doubles in size.

Marsh Pennywort belongs to the Hydrocotyle genus, and is native to Northern Africa and Europe.


Hydrocotyle vulgaris

Also known as

Hydrocotle vulgaris

How to care for Marsh Pennywort


How often to water your Marsh Pennywort

Water needs for Marsh Pennywort
0.5 cups
every 7

Marsh Pennywort needs 0.5 cups of water every 7 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 Marsh Pennywort

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 Marsh Pennywort in your home

Light needs and placement for plant Marsh Pennywort: 1ft from a window
1ft or less from
a window

Marsh Pennywort love being close to bright, sunny windows 😎.

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

Marsh Pennywort does not tolerate low-light 🚫.

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


How to fertilize Marsh Pennywort

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

Difficulty Level

Marsh Pennywort is generally considered an easy-to-care-for plant and makes a great choice for beginners!

Water Needs
Sunlight Needs
Growing Outdoors

Care Summary for Marsh Pennywort

Marsh Pennywort

Marsh Pennywort

Greg recommends:


0.5 cups every 7 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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