Watering the Garden
Interpreters mention that if one sees themselves watering their garden, it may indicate intimacy with their family (wife). As for someone who enters an unknown garden with fallen leaves, it might suggest that they will experience worry and sadness in their life.
Per Ibn Sirin's Muntakhab al-Kalam fi Tafsir al-Ahlam
Note: These are traditional scholarly interpretations (ijtihad) drawn from a specific classical source — not a binding religious ruling, fortune-telling, or a prediction of the future.