It is still necessary to feed house plants on a regular basis even in September so that the plants remain healthy and strong for the winter months ahead. Organic Multipurpose Plant Feed is suitable for most houseplants. Neudorff also has special fertilisers to meet the needs of plants that require greater care.
You can still repot plants in September if you haven’t got round to doing it yet.
At the end of September start forcing the first hyacinths for winter flowering.