How to Identify and Classify Asparagus
  • 1. What part of the asparagus plant is typically eaten?
A) The young shoots
B) The roots
C) The flowers
D) The leaves
  • 2. What is the most common color of asparagus spears?
A) Purple
B) White
C) Green
D) Yellow
  • 3. White asparagus is grown by:
A) Growing it indoors
B) Genetically modifying the plant
C) Exposing the shoots to sunlight
D) Mounding soil over the shoots
  • 4. Which of these is NOT a common way to classify asparagus?
A) By tenderness
B) By color
C) By size (diameter)
D) By root depth
  • 5. What does the term 'pencil asparagus' refer to?
A) Thin asparagus spears
B) Asparagus used for writing
C) Asparagus grown in a specific region
D) Asparagus that has not been harvested yet
  • 6. The 'ferns' of the asparagus plant are:
A) The young, edible shoots
B) The mature, leafy growth
C) The underground roots
D) The small flowers
  • 7. Why are asparagus beds typically not harvested in the first year?
A) To allow the plants to establish strong roots
B) They are only harvested once the plants are 2 years old.
C) To prevent the spears from becoming too bitter
D) To encourage flower production
  • 8. What indicates that asparagus is past its prime?
A) The spear is slightly purple
B) The spear is bright green
C) The spear is very thick
D) The tip of the spear starts to open
  • 9. How should freshly harvested asparagus be stored?
A) Wrapped tightly in plastic, refrigerated
B) Upright in water, refrigerated
C) In a dry container, refrigerated
D) At room temperature
  • 10. What is the scientific name for common asparagus?
A) Asparagus officinalis
B) Brassica oleracea
C) Solanum lycopersicum
D) Malus domestica
  • 11. What soil pH is best for growing asparagus?
A) 6.5 - 7.5
B) 4.0 - 5.0
C) 5.0 - 6.0
D) 8.0 - 9.0
  • 12. Which nutrient is most important for asparagus growth?
A) Potassium
B) Nitrogen
C) Calcium
D) Phosphorus
  • 13. What type of plant is asparagus?
A) Triennial
B) Biennial
C) Annual
D) Perennial
  • 14. What can cause asparagus spears to be bitter?
A) Too much sunlight
B) Overmaturity
C) Lack of water
D) Too much fertilizer
  • 15. Which of these pests commonly affects asparagus?
A) Whiteflies
B) Asparagus beetle
C) Aphids
D) Spider mites
  • 16. How deep should asparagus crowns be planted?
A) 6-8 inches
B) 2-4 inches
C) 1-2 inches
D) 10-12 inches
  • 17. What is the purpose of 'hilling' asparagus?
A) To protect from frost
B) To improve drainage
C) To produce white asparagus
D) To increase yields
  • 18. What is the average lifespan of an asparagus plant?
A) 15-25 years
B) 1-3 years
C) 5-10 years
D) 30-40 years
  • 19. What type of climate is best suited for asparagus?
A) Tropical
B) Arctic
C) Arid
D) Temperate
  • 20. What is the primary method of asparagus propagation?
A) Layering
B) Cuttings
C) Crowns
D) Seeds
  • 21. When is the best time to harvest asparagus?
A) Winter
B) Spring
C) Summer
D) Autumn
  • 22. What benefit does asparagus provide nutritionally?
A) Low in fiber
B) High in folate
C) High in sugar
D) High in saturated fat
  • 23. Which disease is a common concern in asparagus cultivation?
A) Fusarium crown and root rot
B) Black spot
C) Late blight
D) Powdery mildew
  • 24. What does 'diameter grading' of asparagus refer to?
A) Measuring root length
B) Classifying by color
C) Sorting by spear thickness
D) Analyzing nutrient content
  • 25. How does harvesting asparagus encourage future growth?
A) It doesn't; harvesting weakens the plant
B) By stimulating more spear production
C) By strengthening the roots
D) By increasing flower production
  • 26. Why is it important to allow some asparagus spears to fern out?
A) To produce seeds
B) To prevent weed growth
C) To attract pollinators
D) To replenish plant energy reserves
  • 27. What is the typical spacing between asparagus plants when planting crowns?
A) 24-36 inches
B) 3-5 feet
C) 4-6 inches
D) 12-18 inches
  • 28. What is a common method to suppress weeds in asparagus beds?
A) Mulching
B) Salting the soil
C) Burning
D) Flooding
  • 29. What indicates that an asparagus spear is ready for harvest?
A) Spear is very thin and flimsy
B) Spear is completely underground
C) Spear has already started to fern out
D) Spear is 6-8 inches tall and tight
  • 30. What is the proper tool for harvesting asparagus?
A) Asparagus knife or sharp knife
B) Rake
C) Trowel
D) Shovel
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