Ctenanthe Setosa
Calathea and Maranta,  Plant Care,  Propagation

Calathea Setosa (Ctenanthe Setosa)

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

Calathea Setosa Care Summary

Light needs:Medium to bright indirect sunlight.
Watering needs:Keep moist, check soil twice a week and water it if the top half is dry.
Fertilizer:Use a well diluted balanced feed every 3 or 4 weeks in spring and summer.
Soil:Potting compost mixed with 20% perlite.
Temperature:15-27°C (59-81°F).
Where to buy:Try our list of Rare Plant Shops.
Other names:Ctenanthe Setosa ‘Grey Star’.
Common issues:Root rot, lack of humidity.


The Calathea Setosa is known for its elegant light and dark green stripped leaves, it actually isn’t a calthea, also closely related and often sold as one, it is technically a ctenanthe setosa.

See also: Calathea Musaica, Calathea Beauty Star, Calathea Freddie, Calathea Zebrina.

Calathea Setosa Light Needs

Bright indirect sunlight is ideal. Medium is ok, but no direct sun.

How Often To Water

They like to be moist. Check the soil twice a week and water it if the top half is dry. Tip out any excess water after watering to avoid water logging.


Use a balanced feed every 3 or 4 weeks in the spring and summer months to encourage growth. Make sure it is well diluted.

Calathea Setosa Soil

A good potting compost mixed with about 20% perlite is great to aid drainage.

When to Repot

They probably won’t need repotting every year but you can check the roots yearly and if they’re getting crowded, give them a bigger pot.


Aim for a 60% humidity or more. They will thrive if given the right humidity needs.


15-27°C (59-81°F) is a good range for them in the day, don’t let them get down below 10°C (50°F) at night.

How to Propagate Calathea Setosa

They can be propagated by separation at the base, where you take smaller plant out and pot it up separately. You can also prop them by stem cuttings rooted in water, and then potted up to soil after a couple of months.

Do Calathea Setosa Flower?

They can flower although they are not particularly impressive small white flowers. The plant is grown for it’s amazing leaves.

Is Calathea Setosa Toxic To Cats?

They are non-toxic to cats and dogs.

Calathea Setosa Vs Exotica

They are really similar plants and can often be confused. The stripes on the majestica are thinner and closer together.

Other Names

Ctenanthe Setosa ‘Grey Star’

Where To Buy

Try our list of Rare Plant Shops.

FAQs and Common Problems

Root rot and lack of humidity are common issues. Make sure your plants are humid, but do not water log your plants, tip out

Other Articles You Might Like

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

Calathea Musaica, Calathea Beauty Star, Calathea Freddie, Calathea Zebrina.

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Calathea Setosa
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