Question 1

True or false: Caladiums can survive freezing temperatures if their tubers are kept dry in winter.

Accepted Answer

False. Caladiums are frost-tender; tubers must be dug up and stored indoors above 50°F to survive winter.

Question 2

True or false: Caladiums are native to tropical regions of South America, especially the Amazon basin.

Accepted Answer

True. These plants originate from Brazil, the Amazon, and nearby areas, thriving in warm, humid rainforest understories.

Question 3

True or false: Caladiums need full direct sunlight for at least six hours a day to develop their brightest colors.

Accepted Answer

False. They prefer bright indirect light or dappled shade; too much direct sun scorches leaves and fades colors.

Question 4

True or false: All parts of the caladium plant contain calcium oxalate crystals, making them toxic if eaten.

Accepted Answer

True. Ingesting leaves or tubers causes burning, swelling, and irritation; it's dangerous for pets and humans.

Question 5

True or false: Caladium leaves are actually flowers that have evolved to look like foliage.

Accepted Answer

False. Caladiums are grown for their showy leaves, but true flowers are small, inconspicuous spathes hidden among the foliage.

Question 6

True or false: Caladiums are often called 'elephant ears' because of their massive, heart-shaped leaves.

Accepted Answer

False. That common name belongs to Alocasia and Colocasia; caladiums are sometimes called 'angel wings' instead.

Question 7

True or false: Some caladium varieties produce leaves that appear almost translucent, glowing in low light.

Accepted Answer

True. Thin, white-leafed cultivars like 'Candidum' can look semi-transparent, giving a ghostly glow in shade.

Question 8

True or false: The vibrant colors in caladium leaves come from chlorophyll being completely absent in some areas.

Accepted Answer

True. Pink, white, and red patches lack chlorophyll, revealing underlying pigments like anthocyanins, not just green.

Caladium Trivia Questions