Plant Care Brittle Maidenhair Fern

Brittle Maidenhair Fern

Also known as

Rosy Maiden Hair Fern


Adiantum tenerum

How to care for Brittle Maidenhair Fern


How often to water your Brittle Maidenhair Fern

Water needs for Brittle Maidenhair Fern
0.5 cups
every 9

Brittle Maidenhair Fern needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot located in Baltimore, Maryland.

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 Brittle Maidenhair Fern

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.

Plant care guide for Brittle Maidenhair Fern in Baltimore, Maryland

Baltimore, Maryland

47% Low

Growing Brittle Maidenhair Fern in Baltimore right now

Light needs for plant Brittle Maidenhair Fern in Baltimore, Maryland

Plant growth potential is currently low 📉

November 26th, 2021

Sunlight intensity as measured by “net radiation” in Baltimore is currently low 📉.

The availability of high quality sunlight in your home impacts ability for plants to thrive and is key in determi…

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Light needs for plant Brittle Maidenhair Fern in Baltimore, Maryland

Sunlight intensity will decrease by 30.2% ☀️

November 26th, 2021

Baltimore is trending towards lower sunlight intensity!

The amount of sunlight in Baltimore is expected to decrease by 30.2% over the next 2 weeks to an average of 7.3 megajoules of energy per m2

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Light needs for plant Brittle Maidenhair Fern in Baltimore, Maryland

Daylight will decrease by 1.2 hours 📉

November 25th, 2021

This month, Baltimore is getting an average of 8.9 hours of clear sky sunlight per day.

Hours of daylight will decrease by 11.6% over the next two weeks. Your plants will get 9.3 total hours of da…

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Finding light for Brittle Maidenhair Fern in your home

Light needs and placement for plant Brittle Maidenhair Fern: 3ft from a window
3ft or less from
a window

Brittle Maidenhair Fern may have difficulty thriving, and will drop leaves 🍃, without ample sunlight.

Place it less than 3 feet from a south-facing window to keep it happy during this time of reduced sunlight intensity in Baltimore, Maryland ⛅.


How to fertilize Brittle Maidenhair Fern

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

When to repot Brittle Maidenhair Fern

Nutrient needs for plant Brittle Maidenhair Fern in Baltimore, Maryland

Is this a good time of year to repot? No ⏳

November 21st, 2021

The growing potential in Baltimore is very low 📉.

Repotting in late fall or winter when the day lengths are shorter can be very stressful for a plant and cause it to go into shock.

It's best t…

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Water Needs
Sunlight Needs
Growth Pattern

Care Summary for Brittle Maidenhair Fern

Brittle Maidenhair Fern

Brittle Maidenhair Fern

Greg recommends:


0.5 cups every 9 days


< 3ft from a window


Repot after 2x growth

Based on your location in Baltimore, Maryland, the 4” pot your plant is in, and that it doesn’t get direct sunlight.

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