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