Blue Spruce Trivia Questions and Answers

white and green plant covered with snow
  1. What is another common name for the blue spruce?
    A: Green spruce
    B: Red spruce
    C: Purple spruce
    D: Yellow spruce
    Correct Answer: A
    Explanation: The blue spruce is also known as the green spruce.
  2. In which region is the blue spruce native?
    A: South America
    B: North America
    C: Africa
    D: Europe
    Correct Answer: B
    Explanation: The blue spruce is native to North America.
  3. What is the scientific name for the blue spruce?
    A: Picea pungens
    B: Pinus ponderosa
    C: Abies balsamea
    D: Cedrus libani
    Correct Answer: A
    Explanation: The scientific name for the blue spruce is Picea pungens.
  4. What is the conservation status of the blue spruce?
    A: Critically Endangered
    B: Vulnerable
    C: Least Concern
    D: Near Threatened
    Correct Answer: C
    Explanation: The conservation status of the blue spruce is “Least Concern.”
  5. How tall can a blue spruce grow in the wild?
    A: 10 meters (33 feet)
    B: 23 meters (75 feet)
    C: 5 meters (16 feet)
    D: 40 meters (131 feet)
    Correct Answer: B
    Explanation: In the wild, the blue spruce can grow up to 23 meters (75 feet) tall.
  6. Which color best describes the needles of the blue spruce?
    A: Red
    B: Blue-green
    C: Yellow
    D: Pink
    Correct Answer: B
    Explanation: The needles of the blue spruce are noted for their blue-green color.
  7. What kind of tree is the blue spruce?
    A: Deciduous
    B: Evergreen
    C: Palm
    D: Fruit
    Correct Answer: B
    Explanation: The blue spruce is an evergreen tree.
  8. How long can the leaves of a blue spruce grow?
    A: 1 cm (0.4 inches)
    B: 5 cm (2 inches)
    C: 3 cm (1 inch)
    D: 10 cm (4 inches)
    Correct Answer: C
    Explanation: The leaves of a blue spruce can grow up to 3 cm (1 inch) long.
  9. What is the general shape of a blue spruce tree?
    A: Spherical
    B: Columnar or conical
    C: Sprawling
    D: Weeping
    Correct Answer: B
    Explanation: The blue spruce is generally columnar or conical in shape.
  10. At what elevation does the blue spruce typically grow?
    A: Above 2000 ft (610m)
    B: Above 6000 ft (1830m)
    C: Above 4000 ft (1220m)
    D: Above 8000 ft (2440m)
    Correct Answer: B
    Explanation: The blue spruce typically grows at elevations above 6000 ft (1830m).
  11. Which tree species often associates with the blue spruce?
    A: Oak
    B: Maple
    C: Douglas-fir
    D: Birch
    Correct Answer: C
    Explanation: The blue spruce often associates with Douglas-fir.
  12. What type of climatic zones does the blue spruce usually grow in?
    A: Hot and dry
    B: Cold and dry
    C: Warm and humid
    D: Cool and humid
    Correct Answer: D
    Explanation: The blue spruce usually grows in cool and humid climatic zones.
  13. In which month do blue spruce trees experience the lowest precipitation?
    A: December
    B: January
    C: February
    D: March
    Correct Answer: A
    Explanation: Winter, especially December, is the season with the poorest rainfall for blue spruce.
  14. What are the soil orders in which blue spruce commonly grow?
    A: Oxisols and Ultisols
    B: Mollisols, Histosols, and Inceptisols
    C: Alfisols and Spodosols
    D: Aridisols and Vertisols
    Correct Answer: B
    Explanation: Blue spruce commonly grow in soils that are in the order Mollisols, Histosols, and Inceptisols.
  15. How deep do blue spruce seedling roots penetrate in their first year?
    A: 2.5 cm (1 inch)
    B: 5 cm (2 inches)
    C: 6.4 cm (2.5 inches)
    D: 10 cm (4 inches)
    Correct Answer: C
    Explanation: Blue spruce seedling roots penetrate 6.4 cm (2.5 inches) of soil during the first year.
  16. What insect pest causes galls to form on blue spruce trees?
    A: Adelges
    B: Aphid
    C: Beetle
    D: Moth
    Correct Answer: A
    Explanation: The blue spruce is attacked by Adelges, which causes galls to form.
  17. What is one notable cultivar of the blue spruce that has gained the Royal Horticultural Society’s Award of Garden Merit?
    A: Fat Albert
    B: Hoopsii
    C: Glauca Globosa
    D: Sester’s Dwarf
    Correct Answer: C
    Explanation: ‘Glauca Globosa’ is one of those cultivars.
  18. Which traditional American Native uses blue spruce for medicinal purposes?
    A: Navajo
    B: Cherokee
    C: Iroquois
    D: Sioux
    Correct Answer: A
    Explanation: The Navajo and Keres Native Americans use blue spruce for medicinal purposes.
  19. How well can blue spruce withstand drought compared to other spruces?
    A: Very poorly
    B: Better than any other spruce
    C: About the same
    D: Slightly worse
    Correct Answer: B
    Explanation: The blue spruce can withstand drought better than any other spruce.
  20. In which USDA growing zones does the blue spruce grow best?
    A: 1 through 7
    B: 5 through 10
    C: 3 through 8
    D: 2 through 6
    Correct Answer: A
    Explanation: Blue spruce grows best in USDA growing zones 1 through 7.
  21. What is a use of blue spruce wood by early people?
    A: Jewelry
    B: Building
    C: Painting
    D: Cooking
    Correct Answer: B
    Explanation: Early people used blue spruce wood for building.
  22. How are female cones arranged on a blue spruce tree?
    A: At the lower branches
    B: Throughout the tree
    C: Only at the top
    D: In the middle part of the tree
    Correct Answer: C
    Explanation: Female cones are found at the top of the blue spruce tree.
  23. What does the specific epithet “pungens” in Picea pungens mean?
    A: Sweet-smelling
    B: Sharply pointed
    C: Soft texture
    D: Fast-growing
    Correct Answer: B
    Explanation: The epithet “pungens” means “sharply pointed,” referring to the leaves.
  24. What type of shape do the branches of ‘Glauca Pendula’ cultivar have?
    A: Upright
    B: Drooping
    C: Sprawling
    D: Weeping
    Correct Answer: B
    Explanation: The ‘Glauca Pendula’ cultivar has drooping branches.
  25. Which disease causes needles to turn reddish-brown and fall off the blue spruce?
    A: Rust
    B: Needle casting
    C: Canker caused by Cytospora
    D: Bacterial leaf blight
    Correct Answer: C
    Explanation: Canker caused by Cytospora turns needles reddish-brown before they fall off.
  26. How can the tip cutting of a blue spruce affect its growth?
    A: Hastens growth
    B: Slows growth
    C: Allows growth taller than average
    D: Makes it grow sideways
    Correct Answer: C
    Explanation: Tip cutting can allow the blue spruce to grow larger than its average size.
  27. Which Rocky Mountain state has a notable presence of blue spruce?
    A: Nevada
    B: Arizona
    C: Colorado
    D: Montana
    Correct Answer: C
    Explanation: Blue spruce is most common in Colorado.
  28. In which decorative industry is blue spruce commonly used?
    A: Furniture making
    B: Christmas tree industry
    C: Pottery
    D: Textile
    Correct Answer: B
    Explanation: Blue spruce is commonly used in the Christmas tree industry.
  29. What kind of branches does the blue spruce have?
    A: Drooping
    B: Upright
    C: Horizontal
    D: Randomly oriented
    Correct Answer: C
    Explanation: The blue spruce has densely growing horizontal branches.
  30. Which part of the blue spruce tree houses male cones?
    A: Lower branches
    B: Entire tree
    C: Middle branches
    D: Only at the top
    Correct Answer: B
    Explanation: Male cones are found on the entire blue spruce tree.
  31. What susceptibility does the blue spruce have to needle casting diseases?
    A: Immune
    B: Susceptible
    C: Resistant
    D: Completely unaffected
    Correct Answer: B
    Explanation: Blue spruce is susceptible to several needle casting diseases.
  32. What is the effect of pruning roots five years before transplanting?
    A: Decreases root concentration
    B: Increases root concentration
    C: Changes tree shape
    D: Reduces height
    Correct Answer: B
    Explanation: Pruning roots increases root concentration and the total root surface area.
  33. How does blue spruce handle extreme low temperatures?
    A: Can’t survive them
    B: Only survives mild cold
    C: Can withstand -40 degrees C
    D: Needs special care
    Correct Answer: C
    Explanation: Blue spruce can withstand extremely low temperatures of -40 degrees C.
  34. What environmental feature minimizes frost heaving loss in blue spruce seedlings?
    A: High sunlight
    B: Good drainage
    C: Shadows in spring and autumn
    D: Heavy rainfall
    Correct Answer: C
    Explanation: Shadows in late spring and early autumn minimize frost heaving loss.
  35. In what form are gifts given using blue spruce by Navajo and Keres Native Americans?
    A: Flowers
    B: Wood carvings
    C: Twigs
    D: Resin
    Correct Answer: C
    Explanation: Twigs of blue spruce are given as gifts to bring good fortune.
  36. Which pests cause galls that resemble miniature pineapples on blue spruce?
    A: Pine beetle
    B: Pineapple gall adelgid
    C: Spider mites
    D: Root worm
    Correct Answer: B
    Explanation: The pineapple gall adelgid causes miniature pineapple-like galls on blue spruce.
  37. What is the average frost-free period for blue spruce?
    A: 30-45 days
    B: 55-60 days
    C: 70-90 days
    D: 100-120 days
    Correct Answer: B
    Explanation: The frost-free period for blue spruce ranges from about 55 to 60 days from June to August.
  38. What is the typical average maximum temperature range in July for blue spruce habitats?
    A: 10-15 degrees C (50-59 degrees F)
    B: 15-20 degrees C (59-68 degrees F)
    C: 21-22 degrees C (70-72 degrees F)
    D: 25-30 degrees C (77-86 degrees F)
    Correct Answer: C
    Explanation: The average maximum temperature in July ranges from 21.1 to 22.2 degrees C (70 to 72 degrees F).
  39. Which months have less than 20% of the blue spruce’s annual precipitation?
    A: June to August
    B: September to November
    C: December to March
    D: April to May
    Correct Answer: C
    Explanation: From December to March, the precipitation is usually less than 20% of the annual moisture for blue spruce.
  40. What feature helps blue spruce resist strong winds despite their shallow roots?
    A: Extensive leaf cover
    B: Columnar shape
    C: Shallow rooting habits
    D: Root pruning
    Correct Answer: D
    Explanation: Root pruning increases root concentration and helps blue spruce resist strong winds.
  41. What is the alternate name for the blue spruce that emphasizes its region of origin?
    A: Californian spruce
    B: New York spruce
    C: Colorado spruce
    D: Nevada spruce
    Correct Answer: C
    Explanation: The blue spruce is also known as Colorado blue spruce.
  42. Which climate characteristic is more common for blue spruce growth?
    A: Extreme heat
    B: High humidity
    C: abundant summer precipitation
    D: Minimal winter snow
    Correct Answer: C
    Explanation: Blue spruce usually grows in climatic zones with abundant summer precipitation.
  43. Which of the following is a notable cultivar of blue spruce used as an ornamental tree?
    A: Koster
    B: Red Delight
    C: Golden Pine
    D: Moonlight
    Correct Answer: A
    Explanation: Koster is a notable cultivar of blue spruce used for ornamental purposes.
  44. How does Cytospora canker progress on a blue spruce tree?
    A: Attacks roots first
    B: Moves from lower to higher branches
    C: Affects leaves instantly
    D: Grows only at the trunk
    Correct Answer: B
    Explanation: Cytospora canker starts on lower branches and moves higher up the tree.
  45. What part of the blue spruce is attacked by spruce beetles?
    A: Leaves
    B: Outer bark
    C: Under the bark
    D: Base of the tree
    Correct Answer: C
    Explanation: Spruce beetles bore under the bark of blue spruce trees.
  46. Which order does the blue spruce belong to in scientific classification?
    A: Pineales
    B: Pinales
    C: Piceales
    D: Sprucales
    Correct Answer: B
    Explanation: The blue spruce belongs to the order Pinales.
  47. What is one physical characteristic of blue spruce needles?
    A: Smooth and soft
    B: Waxy gray-green
    C: Red and spiky
    D: Flat and yellow
    Correct Answer: B
    Explanation: Blue spruce needles are waxy gray-green in color.
  48. What seasonal period records the lowest annual average temperature for blue spruce areas?
    A: January
    B: February
    C: March
    D: April
    Correct Answer: A
    Explanation: January records the lowest annual average temperature.
  49. Which characteristic allows blue spruce to survive high insolation?
    A: Densely growing branches
    B: Deep roots
    C: High resistance
    D: Extensive leaf surface
    Correct Answer: C
    Explanation: Blue spruce is more resistant to high insolation compared to other associated species.
  50. What is an effect of mites on blue spruce during dry summers?
    A: Increased growth
    B: Leaf color darkening
    C: Yellowing of oldest needles
    D: Fruiting
    Correct Answer: C
    Explanation: Mites can cause yellowing of the oldest needles in blue spruce, especially in a dry summer.
  51. Which factor can cause seedlings of blue spruce to experience frost heaving?
    A: Late spring sunlight
    B: Heavy rainfall
    C: Windy conditions
    D: Excessive pruning
    Correct Answer: A
    Explanation: Frost heaving in seedlings may occur without shadows in late spring.
  52. What temperature can a blue spruce endure?
    A: -10 degrees C
    B: -20 degrees C
    C: -30 degrees C
    D: -40 degrees C
    Correct Answer: D
    Explanation: Blue spruce can endure temperatures as low as -40 degrees C.
  53. What common shape do cultivated blue spruce trees have in parks and gardens?
    A: Spherical
    B: Columnar or conical
    C: Irregular
    D: Flat topped
    Correct Answer: B
    Explanation: Cultivated blue spruce trees often have a columnar or conical shape.
  54. How tall can the ‘Fat Albert’ cultivar of blue spruce grow?
    A: 3 meters (10 feet)
    B: 1 meter (3 feet)
    C: 6 meters (20 feet)
    D: 5 meters (16 feet)
    Correct Answer: A
    Explanation: The ‘Fat Albert’ cultivar can grow up to 3 meters (10 feet) tall.
  55. Which illness is treated using a needle infusion from blue spruce in traditional medicine?
    A: Influenza
    B: Common cold
    C: Malaria
    D: Tuberculosis
    Correct Answer: B
    Explanation: A needle infusion of blue spruce is traditionally used to treat colds.
  56. What prominent feature makes the blue spruce an attractive ornamental tree?
    A: Fast growth
    B: Blue-green needles
    C: Large fruit
    D: Red bark
    Correct Answer: B
    Explanation: The blue-green colored needles make the blue spruce an attractive ornamental tree.
  57. Which of the following pests causes the most damage during a major outbreak by attacking nearby trees?
    A: Spruce beetle
    B: Pine needle scale
    C: Spruce budworm
    D: Spruce needle miner
    Correct Answer: A
    Explanation: During major outbreaks, the spruce beetle causes significant damage by attacking nearby trees.
  58. How long can the cones of blue spruce grow?
    A: 10 cm (4 inches)
    B: 5 cm (2 inches)
    C: 1 cm (0.4 inches)
    D: 15 cm (6 inches)
    Correct Answer: A
    Explanation: The cones of blue spruce can grow up to 10 cm (4 inches) long.
  59. What order do the soils in which blue spruce grow naturally belong to?
    A: Mollisols
    B: Aridisols
    C: Vertisols
    D: Ultisols
    Correct Answer: A
    Explanation: Blue spruce commonly grow in soils that belong to the order Mollisols.
  60. What climate factor does the blue spruce withstand better than other spruces?
    A: Heat
    B: Lack of moisture
    C: Cold
    D: Wind
    Correct Answer: B
    Explanation: The blue spruce can withstand drought better than any other spruce.

What is the best quiz for you business?

Quizzes are super effective for lead generation and selling products. Find the best quiz for your business by answering a few questions.

Take the quiz