Plant Care Blue Oil Fern

Blue Oil Fern


Microsorum thailandicum

How to care for Blue Oil Fern


How often to water your Blue Oil Fern

Water needs for Blue Oil Fern
0.5 cups
every 9

Blue Oil 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.

Calculate water needs of Blue Oil 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.

Select a city to check sunlight intensity

Finding light for Blue Oil Fern in your home

Light needs and placement for plant Blue Oil Fern: 6ft from a window
6ft or less from
a window

Blue Oil Fern can tolerate being far from a window and light source.

Place it less than 6 feet from a south-facing window to ensure it receives enough light to survive 💪.

Select your region to see how the current weather in your area affects the placement of Blue Oil Fern in your home 🏡.


How to fertilize Blue Oil Fern

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

Water Needs
Sunlight Needs
Native Region

Care Summary for Blue Oil Fern

Blue Oil Fern

Blue Oil Fern

Greg recommends:


0.5 cups every 9 days


< 6ft 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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