The Grimacing Gardener

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Across
  1. 1. Used to suppress weeds, but too much can cause rot
  2. 6. Too much or too little of this is a common problem
  3. 7. Small pits on tubers indicate this disease (2 wds.)
  4. 9. Rash-causing weed (2 wds.)
  5. 10. Overuse of this class of weedkiller can injure plants
  6. 12. Animal that grazes, leaving damaged woody plants, roses, fruits and vegetables
  7. 15. Nocturnal animal that loves sweet corn and strawberries
  8. 16. A thick type of unwanted grass
  9. 18. Winged annoyance, especially around fresh fruit (2 wds.)
  10. 20. Insect-eating underground dwellers
  11. 21. Non-native plant type that spreads on its own
  12. 22. Noisy unwanted reptile
  13. 23. Shield-shaped insect that gives off an unpleasant odor when crushed (2 wds.)
Down
  1. 2. Type of caterpillar that cuts off seedlings just above the ground
  2. 3. Type of soil that often does not retain water or nutrients
  3. 4. Showy springtime problem
  4. 5. Prolific insect that sucks the sap from stems and leaves
  5. 8. Prickly plant or shrub
  6. 11. This type of soil drains slowly and can cause root damage
  7. 13. Ugly nocturnal insect that feeds on tender new growth
  8. 14. Fungus that infects corn plants
  9. 17. Plant with edible, tart stalks but poisonous leaves
  10. 18. Overuse can lead to runoff that damages surface waters
  11. 19. Disease that causes scorched-looking new leaves
  12. 20. Umbrella-shaped fungi