1: 1. Overwatering 2. Lack of sunlight 3. Incorrect soil pH

2: 4. Pruning improperly 5. Not fertilizing enough 6. Ignoring pests and diseases

3: 7. Improper drainage 8. Planting too deep 9. Neglecting proper care

4: 10. Using the wrong fertilizer 11. Allowing root-bound conditions 12. Not providing enough airflow

5: 13. Overcrowding 14. Failing to deadhead 15. Skipping regular maintenance

6: 16. Planting in an unsuitable location 17. Using tap water with chlorine 18. Not monitoring for signs of stress

7: 19. Failing to protect from extreme temperatures 20. Neglecting to mulch 21. Improper spacing between plants

8: 22. Ignoring recommended pruning times 23. Underestimating watering needs 24. Not checking for proper drainage

9: 25. Forgetting to check for pests 26. Using cheap, low-quality soil 27. Planting too close to other plants.