Peacock Fern
Ferns,  Plant Care,  Propagation

Peacock Fern

Welcome to our guide to the Peacock Fern, all you need to know to care and propagate this plant, including soil, water, light and humidity.

Peacock Fern Care Summary

Light needs:Medium to bright indirect sunlight.
Watering needs:Keep them moist – check twice a week and water if top 30 or 40% of soil is dry.
Fertilizer:A really well diluted feed, sparingly.
Soil:A normal potting compost.
Temperature:16°C to 30°C (61-86°F).
Where to buy:Try our list of Rare Plant Shops.
Other names:Peacock fern, spikemoss, selaginella willdenowii.
Common issues:Underwatering, leaf yellowing.


Peacock fern aka spikemoss aka selaginella willdenowii, is a great little terrarium plant, known for striking blue color. Fun fact (!): it is actually not a fern at all, it is a type of moss. The key to caring for them is regular watering

See also: Maidenhair Fern, Lemon Button Fern, Button Fern, Kangaroo Paw Fern, Selaginella Kraussiana, Macho Fern (Nephrolepis Biserrata), Birds Nest Fern Care, Blue Star Fern.

Peacock Fern Light Needs

Medium to bright indirect sunlight is ideal.

How Often To Water

Keep them moist – check them twice a week and water if the top 30 or 40% is dry. Make sure it does not sit in water though.


You do not need to feed this plant. They can be susceptible to fertilizer burn too. If you do feed, make sure it is a really well diluted feed.

Peacock Fern Soil

Use a normal potting compost. It does not want to be well draining, as they like to be moist.

When to Repot

Repot them in spring to refresh their soil.


50% and above, they will thrive in a lot more too, making them a good plant for terrariums.


18-25°C (64-77°F) is great for them in the day, and at night try to keep them above 10°C (50°F).

How to Propagate Peacock Fern

You can propagate it fairly easily by stem cuttings or division.

Why Is My Peacock Fern Turning Yellow?

They can turn yellow for a number of reasons, the main ones being a lack of moisture in the soil. Check you are watering the plant correctly.

Is Peacock Fern An Aquatic Plant?

It is not suitable for growing under water in aquariums, bit can live above water and goes well in a terrarium environment for example.

How To Grow Peacock Fern In An Aquarium?

If you’re suing it in an aquarium make sure it is above the surface where it will not get drowned but can benefit form the humidity of the tank,

Other Names

Peacock fern, spikemoss, selaginella willdenowii

Where To Buy

Try our list of Rare Plant Shops.

FAQs and Common Problems

They must be kept wet, the main issues with them are underwatering which causes issues like yellow leaves.

Other Articles You Might Like

There you have it, here ends our guide to this beautiful plant. You might also like our other articles:

Kangaroo Paw Fern, Macho Fern (Nephrolepis Biserrata), Birds Nest Fern Care, Blue Star Fern.

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Peacock Fern
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