1: "Planting dahlias in improper soil may stunt growth."

2: "Overwatering can lead to root rot and unhealthy plants."

3: "Avoid planting dahlias in shaded areas, they need sunlight."

4: "Mistake #4: Not providing adequate support for tall dahlias."

5: "Prune dahlias regularly to promote healthy growth and blooming."

6: "Improper spacing can lead to overcrowding and disease."

7: "Neglecting to deadhead spent flowers can affect future blooms."

8: "Planting dahlias too early in cold soil may cause rot."

9: "Skipping fertilizer can result in weak plants and poor flowering."