Plant Care Bulb Bladderfern

Bulb Bladderfern

Also known as

bulblet bladder fern, bulblet bladderfern, berry fern, bulb bladder fern, bulblet fern and bulblet fragile fern


Cystopteris bulbifera

How to care for Bulb Bladderfern


How often to water your Bulb Bladderfern

Water needs for Bulb Bladderfern
0.5 cups
every 9

Bulb 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 Bulb Bladderfern in your home

Light needs and placement for plant Bulb Bladderfern: 3ft from a window
3ft or less from
a window

Bulb 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 Bulb Bladderfern in your home 🏡.


How to fertilize Bulb Bladderfern

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

Difficulty Level

Bulb Bladderfern 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 Bulb Bladderfern

Bulb 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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