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Christmas Cactus Trivia Questions

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

1.

The Christmas cactus is poisonous to cats and dogs if ingested.

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Easy
✗ FALSE

It's non-toxic to pets, though mild stomach upset can occur. It's a safe houseplant for homes with animals.

2.

You should water a Christmas cactus every day during its blooming period.

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Easy
✗ FALSE

Overwatering causes root rot. Water only when the top inch of soil is dry, typically every 1-2 weeks.

3.

The Christmas cactus is a tropical epiphyte that grows on trees in its native Brazil.

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Medium
✓ TRUE

Schlumbergera species cling to tree branches in Brazil's coastal mountains, absorbing moisture from the air, not soil.

4.

Christmas cacti are actually a type of succulent, not a true cactus.

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Medium
✗ FALSE

They are true cacti (genus Schlumbergera), despite lacking spines and having fleshy leaves. Succulents are a broader category.

5.

The Christmas cactus is actually a true cactus native to the coastal mountains of Brazil.

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Medium
✓ TRUE

Christmas cactus (Schlumbergera) is a true cactus in the Cactaceae family, native to Brazil's coastal mountains. It's an epiphyte, not a desert cactus.

6.

Christmas cacti only bloom in December, as their name suggests.

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Medium
✗ FALSE

Depending on the hybrid and care, they can bloom from November to January, and some even rebloom in spring.

7.

Christmas cacti bloom in response to long nights and cool temperatures, not just the season.

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Hard
✓ TRUE

They are short-day plants, needing about 6 weeks of 12-14 hours of darkness and temps around 50-60°F to flower.

8.

The Christmas cactus is the only cactus that cannot survive in direct sunlight.

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Hard
✗ FALSE

Many forest-dwelling cacti, like Easter and orchid cacti, also burn in direct sun. Christmas cactus is not unique; it prefers bright indirect light from its rainforest origins.

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