Help me adjust my plant care for {{season}} in {{city}}.

Plants I have: {{plants_list}}
My current routine: {{current_routine}}
Issues I see this time of year: {{seasonal_issues}}

Return:
1. What changes about plant biology in this season
2. Watering — should it increase, decrease, or change in timing?
3. Light — does anything need moving?
4. Pest / disease watch — what's most likely this season
5. Fertilization changes
6. Specific care notes for each plant on my list
7. Things to do this season that will pay off later
8. The one habit to drop this season because it'll hurt the plants
9. Common seasonal mistakes in my city specifically