Stromanthe thalia

Triostar Stromanthe, Tricolor Prayer Plant, Stromanthe Triostar

Moderate careTerrestrialNon-toxic60–90 cm

A variegated cultivar of the Brazilian prayer plant, with lance-shaped leaves splashed in green, white, and pink on top and vivid magenta-red undersides that show when the foliage folds upward at night. It needs consistently high humidity and warm temperatures, so it works well in large closed terrariums. Non-toxic to pets and humans.

Build a terrarium with this plant
Triostar Stromanthe image

Care

Prefers high humidity, indirect light, with 18–27 °C, and reaches 90 cm at maturity.

Light

Indirect light(preferred)Bright indirect

Humidity

High (60–80%)(preferred)Very high (80%+)

Temperature

10°C25°C40°C
18°C – 27°C

Soil

Well draining(preferred)Peat moss

Moisture

Moist(preferred)

Soil pH

5.5 – 6.5

Propagation

Carefully remove the plant from its pot and gently separate the rhizomes, making sure each division has healthy roots and several leaves. Pot into fresh, moist well-draining mix and keep warm and humid. Does best when done during spring repotting.

Native range

Native to Brazil.

Appearance

Growth habit

UprightClumping

Leaf shape

Lance

Leaf texture

Glossy

Frequently asked

Can Triostar Stromanthe grow in a closed terrarium?

Yes. Triostar Stromanthe prefers high (60–80%) humidity, which is what a closed terrarium provides, and tolerates indirect-light-loving conditions.

Does Triostar Stromanthe need drainage?

Triostar Stromanthe prefers a moist substrate. Drainage is helpful but not critical; consistent moisture matters more.

What humidity does Triostar Stromanthe need?

Triostar Stromanthe does best in high (60–80%) humidity.

Is Triostar Stromanthe pet-safe?

Triostar Stromanthe is considered non-toxic to common household pets.

How tall does Triostar Stromanthe grow?

Triostar Stromanthe typically reaches 60–90 cm at maturity.

How do you propagate Triostar Stromanthe?

Triostar Stromanthe can be propagated by division.

References

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    ASPCA Toxic and Non-Toxic Plants (via Cafe Planta)

    https://cafeplanta.com/blogs/resources/stromanthe-triostar-pet-friendly
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