How to Grow Arugula Leaves
  • 1. What is the ideal soil pH for growing arugula?
A) 8.0 to 9.0
B) 4.0 to 5.5
C) 6.0 to 7.5
D) 3.0 to 4.0
  • 2. Arugula is best grown in which type of sunlight?
A) Partial shade to full sun
B) Full shade only
C) Artificial light only
D) Direct, intense sunlight only
  • 3. What is the ideal soil temperature for arugula germination?
A) 80-90°F (27-32°C)
B) 60-70°F (15-21°C)
C) 30-40°F (-1-4°C)
D) 100-110°F (38-43°C)
  • 4. How deep should you sow arugula seeds?
A) 2 inches
B) ¼ to ½ inch
C) 1 inch
D) 3 inches
  • 5. How far apart should you space arugula seeds?
A) 1 to 2 inches
B) 2 feet
C) 12 to 18 inches
D) 6 to 8 inches
  • 6. How often should you water arugula?
A) Only when soil is completely dry
B) Regularly to keep soil moist
C) Once a month
D) Waterlogged constantly
  • 7. What is the approximate germination time for arugula seeds?
A) 5-7 days
B) 1-2 days
C) 1 month
D) 2-3 weeks
  • 8. When is the best time to plant arugula for a spring harvest?
A) Late fall
B) Mid-winter
C) Early spring
D) Mid-summer
  • 9. What is the best way to harvest arugula leaves?
A) Cut outer leaves as needed
B) Wait until the plant flowers
C) Pull up the entire plant
D) Shear off the entire plant at the base
  • 10. Why is it important to harvest arugula regularly?
A) To reduce the size of the plant
B) To increase seed production
C) To prevent the plant from dying
D) To encourage new growth
  • 11. What does bolting mean for arugula?
A) Leaf discoloration
B) Stunted growth
C) Root rot
D) Premature flowering
  • 12. What can cause arugula to bolt?
A) Too much water
B) Cold weather
C) Hot weather
D) Lack of fertilizer
  • 13. What can you do to prevent arugula from bolting?
A) Expose to more sunlight
B) Provide shade during hot weather
C) Reduce watering
D) Add more fertilizer
  • 14. What type of fertilizer is best for arugula?
A) High-potassium fertilizer
B) High-phosphorus fertilizer
C) High-nitrogen fertilizer
D) Balanced fertilizer
  • 15. Which pest commonly affects arugula?
A) Aphids
B) Slugs
C) Flea beetles
D) Tomato hornworms
  • 16. How can you control flea beetles on arugula?
A) Spray with bleach
B) Use row covers
C) Remove all the soil
D) Do nothing
  • 17. What is a common disease that affects arugula?
A) Tomato blight
B) Downy mildew
C) Powdery mildew
D) Black rot
  • 18. How can you prevent downy mildew on arugula?
A) Water from above
B) Provide good air circulation
C) Plant in full shade
D) Use too much fertilizer
  • 19. Arugula is a member of what plant family?
A) Lamiaceae
B) Asteraceae
C) Brassicaceae
D) Solanaceae
  • 20. How long does it typically take for arugula to mature and be ready for harvest?
A) 3-4 weeks
B) 1-2 weeks
C) 6-8 weeks
D) 10-12 weeks
  • 21. What type of soil is best for arugula?
A) Clay soil
B) Well-drained soil
C) Rocky soil
D) Sandy soil
  • 22. What is the flavor profile of arugula?
A) Sweet
B) Bitter
C) Peppery
D) Sour
  • 23. Can you grow arugula in containers?
A) Only in very large containers
B) Only hydroponically
C) No, it requires direct soil
D) Yes
  • 24. What is the benefit of succession planting arugula?
A) Ensures a continuous harvest
B) Prevents bolting
C) Reduces the need for fertilizer
D) Increases the plant's size
  • 25. How often should you fertilize arugula?
A) Every 2-3 weeks
B) Every day
C) Never
D) Once a year
  • 26. What is the best time of day to water arugula?
A) Evening
B) Midday
C) Late afternoon
D) Early morning
  • 27. What can happen if arugula is overwatered?
A) Bolting
B) Root rot
C) Increased flavor
D) Faster growth
  • 28. What is the shelf life of harvested arugula leaves?
A) Several weeks in the refrigerator
B) Only a few hours
C) It should be frozen immediately
D) Several days in the refrigerator
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