Experts reveal the post-heatwave gardening jobs to do this September

September is a crucial month for garden maintenance, focusing on lawn recovery through scarifying and aerating, clearing debris from surfaces, and adjusting mowing frequency. Experts also advise preparing for unpredictable weather by securing garden structures and protecting decking, while also highlighting the opportunity to plant larger items and harvest summer crops.

• 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.
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