Caladium Trivia Questions and Answers

1: What is the common name for Caladium, shared with other closely related genera?
A: Angel wings
B: Heart of Jesus
C: Elephant ear
D: All of the above
Correct Answer: D
Explanation: Caladium is often known by common names like elephant ear, heart of Jesus, and angel wings, shared with related genera.

2: How many species of Caladium are native to South and Central America?
A: 5
B: 10
C: 7
D: 15
Correct Answer: C
Explanation: The genus Caladium includes seven species that are native to South and Central America.

3: When do Caladium plants go dormant?
A: During the dry season
B: During the rainy season
C: During winter
D: During summer
Correct Answer: A
Explanation: Caladium plants go dormant during the dry season.

4: How tall can wild Caladium plants grow?
A: 5-10 inches
B: 15-35 inches
C: 40-60 inches
D: 70-90 inches
Correct Answer: B
Explanation: Wild Caladium plants can grow to 15–35 inches tall.

5: What part of the plant is used to propagate Caladiums?
A: Leaves
B: Seeds
C: Tubers
D: Flowers
Correct Answer: C
Explanation: Caladiums grow from tubers and can be propagated by dividing the tubers.

6: What is the primary region responsible for the majority of Caladium bulb production?
A: Brazil
B: Florida, USA
C: India
D: Colombia
Correct Answer: B
Explanation: Approximately 98% of all Caladium “bulbs” are from Lake Placid, Florida, in the United States.

7: In which year did Gaylord Palms Resort & Convention Center start presenting the Florida Caladium Showcase?
A: 1995
B: 2000
C: 2003
D: 2010
Correct Answer: C
Explanation: Every July since 2003, Gaylord Palms Resort & Convention Center in Kissimmee, Florida, has presented the Florida Caladium Showcase.

8: What type of plant structure do Caladiums grow from?
A: Corms
B: Tubers
C: Rhizomes
D: Bulbs
Correct Answer: B
Explanation: Caladiums are tubers, not corms, rhizomes, or bulbs.

9: Which of the following is a crucial condition for the growth of Caladium?
A: Full sunlight
B: Low humidity
C: Moderate shady place with indirect sunlight
D: Dry soil
Correct Answer: C
Explanation: Caladiums prefer a moderate shady place with indirect sunlight, high humidity, and a well-structured watering schedule.

10: Which part of the Caladium plant is poisonous?
A: Leaves
B: Flowers
C: All parts
D: Roots
Correct Answer: C
Explanation: All parts of the Caladium plant are poisonous and should not be ingested.

11: What happens to Caladium leaves after a prolonged absence of water?
A: They grow larger
B: They go dormant and droop
C: They change color
D: They produce seeds
Correct Answer: B
Explanation: Caladium leaves will go dormant and droop after a while without water.

12: What is the optimal storage temperature for Caladium tubers during winter?
A: 32-40°F
B: 41-50°F
C: 56-61°F
D: 70-75°F
Correct Answer: C
Explanation: Caladium tubers should be stored moderately dry over the winter at temperatures between 56°F and 61°F.

13: What is a distinguishing feature of “fancy-leaved” Caladium varieties?
A: More heart-shaped leaves
B: More lance-head-shaped leaves
C: Taller growth
D: Bigger flowers
Correct Answer: A
Explanation: “Fancy-leaved” Caladium varieties have more heart-shaped leaves.

14: In which month is the annual Caladium festival held in Lake Placid, Florida?
A: May
B: July
C: September
D: November
Correct Answer: B
Explanation: The annual Caladium festival in Lake Placid, Florida, is held during the last weekend of July.

15: What is the main difference between Caladiums and Coleus despite their similar appearance?
A: Leaf size
B: Color variety
C: Taxonomic classification
D: Flower type
Correct Answer: C
Explanation: Despite their similar appearance, Caladiums and Coleus are not related; they belong to different taxonomic classifications.

16: Which of the following is a new development in Caladium cultivation?
A: Larger flowers
B: Sun-resistant varieties
C: Thorny stems
D: Edible leaves
Correct Answer: B
Explanation: Sun-resistant varieties of Caladiums are a recent development in their cultivation.

17: How high do most cultivated Caladiums typically grow?
A: 10 inches
B: 24 inches
C: 40 inches
D: 60 inches
Correct Answer: B
Explanation: Most cultivated Caladiums grow to about 24 inches high.

18: From which language does the name ‘Caladium’ originate?
A: Greek
B: Latin
C: Malay
D: French
Correct Answer: C
Explanation: The name “Caladium” originates from the Malay word “Keladi.”

19: Which species of Caladium is native to Pará state, northern Brazil?
A: Caladium humboldtii
B: Caladium amazonicum
C: Caladium schomburgkii
D: Caladium tuberosum
Correct Answer: B
Explanation: Caladium amazonicum is native to Pará state, northern Brazil.

20: Which online resource can be visited to directly purchase Caladium “bulbs”?
A: Amazon
B: Local nursery websites
C: eBay
D: Etsy
Correct Answer: B
Explanation: Local nursery websites often sell Caladium “bulbs” directly to customers.

21: How soon after the first frost should Caladium tubers be lifted in temperate climates?
A: Immediately
B: One week later
C: Two weeks later
D: One month later
Correct Answer: A
Explanation: In temperate areas, Caladium tubers should be lifted immediately before the first frost.

22: Which state in the United States is famous for its Caladium field tours during a festival?
A: California
B: Texas
C: Florida
D: New York
Correct Answer: C
Explanation: Florida is famous for its Caladium field tours during an annual festival.

23: How does Caladium’s tolerance to low temperatures affect its cultivation outside of hardiness zone 10?
A: They thrive better
B: They are unaffected
C: They need to be grown as houseplants or tender “bulbs”
D: They produce more flowers
Correct Answer: C
Explanation: Outside of hardiness zone 10, Caladiums need to be grown as houseplants or tender “bulbs.”

24: What is a key feature of Caladium horticultural variety ‘Florida Sweetheart’?
A: Blue flowers
B: Arrowhead-shaped leaves
C: White leaf and green veins
D: Thorny stems
Correct Answer: C
Explanation: ‘Florida Sweetheart’ Caladium has white leaves with green veins.

25: How many named cultivars of Caladium bicolor exist?
A: 50
B: 100
C: 500
D: Over 1000
Correct Answer: D
Explanation: There are over 1,000 named cultivars of Caladium bicolor.

26: Which part of the world has naturalized populations of Caladium bicolor besides its native regions?
A: Europe
B: India and parts of Africa
C: Antarctica
D: Australia
Correct Answer: B
Explanation: Caladium bicolor is naturalized in India, parts of Africa, and various tropical islands.

27: What should be done with Caladium tubers when temperatures are too low for planting?
A: Discard them
B: Store them in the ground
C: Dry and store them until temperatures permit
D: Freeze them
Correct Answer: C
Explanation: Caladium tubers should be dried and stored until temperatures permit planting, as they are subject to damage if temperatures are too low.

28: What is the maximum height that dwarf Caladium varieties reach?
A: 12 inches
B: 18 inches
C: 24 inches
D: 36 inches
Correct Answer: B
Explanation: Dwarf Caladium varieties can grow up to 18 inches high.

29: How should Caladium tubers be stored over the winter?
A: Bone-dry
B: In water
C: Moderately dry
D: Frozen
Correct Answer: C
Explanation: Caladium tubers should be stored moderately dry over the winter.

30: Which type of watering schedule is preferred by Caladium plants?
A: Constant watering
B: Moderate watering (damp, not soggy)
C: Dry soil
D: Overhead irrigation
Correct Answer: B
Explanation: Caladium plants prefer moderate watering that keeps the soil damp but not soggy.

31: What type of leaf pattern is common among Caladiums?
A: Solid green
B: Varied patterns in white, pink, and red
C: Striped
D: Textured
Correct Answer: B
Explanation: Caladium leaves are marked in varying patterns in white, pink, and red.

32: Which country is referenced in the scientific classification of Caladium schomburgkii?
A: Brazil
B: Venezuela
C: Guyana
D: Peru
Correct Answer: B
Explanation: Caladium schomburgkii is found in Venezuela, as well as in northwestern Brazil and the Guianas.

33: Why should Caladiums not be ingested?
A: They taste bad
B: They look poisonous
C: All parts of the plant are poisonous
D: They have medicinal properties
Correct Answer: C
Explanation: All parts of the Caladium plant are poisonous and should not be ingested.

34: Which type of climate do Caladiums prefer?
A: Dry and arid
B: Cold and snowy
C: Tropical
D: Mediterranean
Correct Answer: C
Explanation: Caladiums are tropical plants that prefer warm, humid climates.

35: Which of the following Caladium species is found in the Napo region of Ecuador?
A: Caladium clavatum
B: Caladium macrotites
C: Caladium picturatum
D: Caladium tuberosum
Correct Answer: A
Explanation: Caladium clavatum is found in the Napo region of Ecuador.

36: Which type of Caladium leaves are “lance-leaved” varieties known for?
A: Round leaves
B: Heart-shaped leaves
C: Lance-head-shaped leaves
D: Variegated leaves
Correct Answer: C
Explanation: “Lance-leaved” Caladium varieties have more lance-head-shaped leaves.

37: How are most Caladium bulbs sold to local nursery outlets?
A: As seeds
B: As dried leaves
C: As potted plants ready for immediate planting
D: As cuttings
Correct Answer: C
Explanation: Most Caladium bulbs are sold to pot producers who provide local nursery outlets with potted plants ready for immediate planting.

38: What other activity besides plant displays is featured at the annual Caladium festival in Lake Placid, Florida?
A: Cooking competitions
B: Wine tasting
C: Field tours of Caladiums
D: Fishing tournaments
Correct Answer: C
Explanation: A popular activity during the annual Caladium festival is a tour of the fields of Caladiums.

39: What is the scientific name for the family to which Caladium belongs?
A: Asteraceae
B: Rosaceae
C: Araceae
D: Fabaceae
Correct Answer: C
Explanation: Caladium belongs to the family Araceae.

40: Which species of Caladium is widespread from Costa Rica to northern Argentina and naturalized in many other regions?
A: Caladium humboldtii
B: Caladium bicolor
C: Caladium ternatum
D: Caladium coerulescens
Correct Answer: B
Explanation: Caladium bicolor is widespread from Costa Rica to northern Argentina and has naturalized populations in many regions.

41: How many eyes do Caladium tubers typically have that can grow vegetative growth or roots?
A: One eye
B: Two eyes
C: Various eyes
D: No eyes
Correct Answer: C
Explanation: Caladium tubers have various eyes that can grow vegetative growth or roots.

42: Where can you find a large indoor and outdoor display of Caladiums including new varieties presented annually?
A: Disneyland
B: Gaylord Palms Resort & Convention Center
C: Central Park
D: Royal Botanic Gardens, Kew
Correct Answer: B
Explanation: Gaylord Palms Resort & Convention Center presents the Florida Caladium Showcase with indoor and outdoor displays annually.

43: How are new Caladium varieties often made available?
A: Through wild harvesting
B: From plant cuttings
C: Through breeding
D: By grafting
Correct Answer: C
Explanation: Many new Caladium varieties have become available through breeding.

44: Which state in the United States is home to the major producer Classic Caladiums?
A: New York
B: California
C: Florida
D: Texas
Correct Answer: C
Explanation: Classic Caladiums is located in Avon Park, Florida.

45: During what part of the growing season do Caladiums require moderate watering?
A: Only at the start
B: Throughout the growing season
C: Only at the end
D: Only when flowering
Correct Answer: B
Explanation: Caladiums require moderate watering throughout the growing season.

46: What is not a reason Caladium leaf patterns are considered ornamental?
A: Unique shape
B: Color variety
C: Textured surface
D: Varied patterns
Correct Answer: C
Explanation: Caladium leaf patterns are considered ornamental because of their unique shapes, color variety, and varied patterns, not textured surfaces.

47: Why do Caladiums typically go dormant in their native regions?
A: Seasonal temperature drop
B: Increased rainfall
C: Dry season
D: Soil nutrient depletion
Correct Answer: C
Explanation: Caladiums typically go dormant during the dry season in their native regions.

48: How long can Caladium leaves grow in the wild?
A: 3-6 inches
B: 6-18 inches
C: 20-30 inches
D: 35-50 inches
Correct Answer: B
Explanation: In the wild, Caladium leaves can grow to 6-18 inches long.

49: How often are new Caladium cultivars introduced through breeding nowadays?
A: Rarely
B: Occasionally
C: Frequently
D: Never
Correct Answer: C
Explanation: Many new Caladium varieties have become available frequently through breeding efforts in recent years.

50: What protective measure should be taken when handling all parts of the Caladium plant?
A: Wear gloves
B: Use sunscreen
C: Water the plant first
D: Trim the leaves first
Correct Answer: A
Explanation: Since Caladiums are poisonous and may irritate sensitive skin, wearing gloves is a protective measure.

51: What is one of the main features that dwarf Caladium varieties have in common with regular Caladiums?
A: Leaf shape
B: Height
C: Planting depth
D: Soil preference
Correct Answer: A
Explanation: Dwarf Caladium varieties share the same arrowhead-shaped leaves as regular Caladiums.

52: Caladium tubers should be stored at temperatures above which threshold to prevent damage?
A: 32°F
B: 45°F
C: 56°F
D: 70°F
Correct Answer: C
Explanation: Caladium tubers should be stored at temperatures above 56°F to prevent damage.

53: In which state is the annual Caladium garden Open House held by Classic Caladiums?
A: Texas
B: Florida
C: Georgia
D: North Carolina
Correct Answer: B
Explanation: The annual Open House Caladium garden by Classic Caladiums is held in Florida.

54: What makes Caladiums unsuitable for colder areas as perennials?
A: Poor soil adaptability
B: Susceptibility to pests
C: Low temperature intolerance
D: Lack of water resistance
Correct Answer: C
Explanation: Caladiums are intolerant to low temperatures, making them unsuitable for growth as perennials in colder areas.

55: What kind of leaf shape do “fancy-leaved” Caladium varieties have?
A: Round
B: Arrowhead-shaped
C: Fan-shaped
D: Heart-shaped
Correct Answer: D
Explanation: “Fancy-leaved” Caladium varieties have heart-shaped leaves.

56: Which online method is commonly used to sell Caladium “bulbs” directly to consumers?
A: Via social media platforms
B: Through dedicated websites
C: By email orders
D: Via video calls
Correct Answer: B
Explanation: Caladium “bulbs” are commonly sold directly to consumers via dedicated websites.

57: What is one major threat to Caladium plants if temperatures fall too low during shipping?
A: Overwatering
B: Sunburn
C: Frost damage
D: Root rot
Correct Answer: C
Explanation: Caladium “bulbs” are subject to frost damage if temperatures fall too low during shipping.

58: What annual event in Kissimmee, Florida, features a large display of Caladiums?
A: Caladium Garden Festival
B: Florida Caladium Showcase
C: Kissimmee Flower Show
D: Orange Harvest Festival
Correct Answer: B
Explanation: The Florida Caladium Showcase features a large display of Caladiums and is held in Kissimmee, Florida.

59: How are the bulk of Caladium “bulbs” produced?
A: Through seed propagation
B: By cuttings
C: From tubers
D: Through cloning
Correct Answer: C
Explanation: The bulk of Caladium “bulb” production is from tubers.

60: What is the term used to describe the mass of stem tissue from which Caladiums grow?
A: Bulb
B: Corm
C: Tuber
D: Rhizome
Correct Answer: C
Explanation: Caladiums grow from a tuber, which is a mass of stem tissue with various eyes that can grow vegetative growth or roots.

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