Overview
- Horticulturist David Denyer advises against placing pumpkins directly on beds or tossing them whole into compost bins.
- High water and sugar content can drive anaerobic, smelly breakdown that depletes nitrogen and shifts pH, encouraging fungal disease.
- To compost safely, cut pumpkins into small pieces and mix with dry browns such as leaves, twigs, or cardboard to keep the heap aerated.
- Alternatively, bury clean, small chunks a few inches deep as green manure to add organic matter without attracting pests.
- Avoid feeding wildlife with mouldy or decorated pumpkins; if offering any, leave only small fresh portions briefly, with sanctuaries in some cases requesting donations.