Plant Care Fishbone Water Fern

Fishbone Water Fern

Also known as

Blechnum discolor bipinnatifidum, Blechnum nudum, Lomaria discolor bipinnatifida, Lomaria discolor bipinnatisecta, Lomaria falcata, Lomaria nuda and Stegania falcata


Lomaria nuda

How to care for Fishbone Water Fern


How often to water your Fishbone Water Fern

Water needs for Fishbone Water Fern
0.5 cups
every 9

Fishbone Water Fern 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.

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 Fishbone Water Fern in your home

Light needs and placement for plant Fishbone Water Fern: 3ft from a window
3ft or less from
a window

Fishbone Water Fern 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 Fishbone Water Fern in your home 🏡.


How to fertilize Fishbone Water Fern

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

Care Summary for Fishbone Water Fern

Fishbone Water Fern

Greg recommends:


0.5 cups every 9 days


< 3ft 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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