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Calathea Trivia Questions

How much do you really know about Calathea? Below are 8 true or false statements. Click each one to reveal the answer and explanation.

1.

Calatheas thrive best when watered with ice cubes to avoid root shock.

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Easy
✗ FALSE

Cold water from ice cubes can shock tropical Calatheas, causing leaf damage. They prefer room-temperature, distilled, or rainwater to avoid brown tips.

2.

Calatheas are native to tropical rainforests in Central and South America.

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Easy
✓ TRUE

They hail from the understory of tropical American rainforests, thriving in low light, high humidity, and warm temperatures—hence their picky indoor needs.

3.

Calatheas are also known as 'prayer plants' because they fold their leaves at night.

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Easy
✓ TRUE

Calatheas are often called prayer plants due to nyctinasty—leaves rise and fold like praying hands at night, though true prayer plants are Maranta.

4.

Most Calatheas are actually a type of fern, not a flowering plant.

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Medium
✗ FALSE

Calatheas are flowering plants in the Marantaceae family, producing small, inconspicuous flowers. They are not ferns, which reproduce via spores.

5.

The Calathea plant is native to tropical regions of the Americas.

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Medium
✓ TRUE

Calathea species originate from tropical parts of the Americas, especially Brazil and Peru, and thrive in humid, warm environments.

6.

Calathea flowers are highly fragrant and bloom year-round indoors.

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Medium
✗ FALSE

Calathea flowers are small, often pale, and rarely bloom indoors. They lack strong fragrance and typically appear only in ideal outdoor conditions.

7.

Some Calathea species produce edible tubers often compared to water chestnuts.

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Hard
✓ TRUE

Calathea allouia, known as 'leren,' produces small, crunchy tubers eaten in the Caribbean and South America, prized for their crisp texture and sweet flavor, similar to water chestnuts.

8.

Calathea leaves fold up at night as part of a nyctinastic movement.

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Hard
✓ TRUE

Calathea, like many Marantaceae, exhibit nyctinasty: leaves fold together in darkness and open in light, driven by changes in turgor pressure at the pulvinus.

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