Plant Care Lowland bladderfern

Lowland bladderfern

Also known as

Lowland brittle fern and Lowland fragile fern


Cystopteris protrusa

How to care for Lowland bladderfern


How often to water your Lowland bladderfern

Water needs for Lowland bladderfern
0.5 cups
every 9

Lowland bladderfern 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 Lowland bladderfern in your home

Light needs and placement for plant Lowland bladderfern: 3ft from a window
3ft or less from
a window

Lowland bladderfern 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 Lowland bladderfern in your home 🏡.


How to fertilize Lowland bladderfern

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

Difficulty Level

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

Water Needs
Sunlight Needs
Growth Pattern
Growing Outdoors

Care Summary for Lowland bladderfern

Lowland bladderfern

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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