Experts reveal the post-heatwave gardening jobs to do this September
As we head into September, we mark the beginning of one of the most picturesque, but high-maintenance months for our gardens.

TL;DR
- Scarify and aerate your lawn to remove dead grass and thatch, allowing moisture to reach the roots.
- Clear leaves, moss, and dirt from fences and decking to prevent decay and slips.
- Maintain borders by removing dead foliage to prevent pest spread and disease.
- Use fallen leaves to create leaf mould, a beneficial soil conditioner.
- Mow grass in dry weather on a high setting, adjusting frequency as growth slows.
- Feed lawns with a high potassium and phosphorus feed if growth is poor.
- Inspect and repair garden structures like fences and sheds to protect against severe weather.
- Secure or move items prone to wind damage, such as wheelie bins and washing lines.
- Protect timber decks from rot and mould by cleaning and applying weather-repellent sealants.
- Plant trees, bushes, and hedges in September to allow them to establish roots over winter.
- Sow hardy annuals and greens for early summer and winter harvests, respectively.
- Plant spring-flowering bulbs for strong root establishment before winter.
- Harvest fruits like apples and pears, and vegetables such as pumpkins and root vegetables.
- Sow new grass seeds in autumn for ideal growing conditions.