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