September Gardening Jobs

veg garden wih peppers,cucumbers being harvested
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The warm summer days are slowly giving way to cooler temperatures and that autumnal feel is just beginning to creep in meaning change is afoot, time to give your garden a little bit of care. By being proactive and tending to set garden jobs each month you will be preparing your outdoor space for a good growing period the following year, so, let’s look at the essential September gardening jobs that you could be getting on with right now…

Pruning and Deadheading

With the end of summer comes the need to prune and deadhead your garden plants. Remove the heads from flowering perennials and annuals to encourage a final burst of colour before winter sets in. Additionally, trim back overgrown or damaged branches from shrubs and trees using a decent pair of secateurs to help them to maintain their shape and health.

September Harvest

September is a prime time for harvesting the fruits of your labour. Many vegetables and fruits, such as tomatoes, cucumbers, courgettes, leeks and some berries should be at their best by now (depending on when you sowed) so pick as much as you can, meal plan these into your week or blanche and freeze for use over the winter.


Plant Autumn/Winter Vegetables

If you’re looking to extend your grow your own season, September is the perfect time to plant some autumnal vegetables. Cool-season crops like lettuce, spinach, radishes, and carrots can continue to thrive in these cooler temperatures. However, do make sure to keep the soil well-watered, mulched and covered to protect your crops from early frost.

Divide and Transplant

Perennials tend to get overcrowded over time, which can affect their health and growth. Use September as an opportunity to divide and transplant these plants. This process will rejuvenate them and provide you with more plants to expand your garden or share with family and friends.

Lawn Care

Don’t forget about your lawn! September is a great time for lawn maintenance. Consider aerating the soil to improve water and nutrient penetration. Add new seed to help fill in bare spots, and apply an autumn lawn feed to promote healthy grass growth.

lawn care

Clean Up

Cleaning up your garden is a crucial task in September. Remove any fallen leaves, weeds, and dead plant material. This not only tidies up the garden but also reduces the risk of pests and diseases overwintering in your soil. These can all be added to your compost heap.

Plant Spring-Blooming Bulbs

September is the ideal time to plant spring-blooming bulbs like tulips, daffodils, and crocuses. These bulbs require a period of cold to bloom beautifully in the spring, and planting them now ensures a stunning display next year.

Prepare for Frost

As the nights get cooler, keep an eye on the weather forecast for frost warnings. Be ready to cover sensitive plants with frost cloth or bring potted plants indoors if necessary. Preparing for frost in advance can save your plants from cold damage.


September is a transitional month in the garden, offering a mix of tasks to help you prepare for the changing seasons. By harvesting, pruning, planting, and maintaining, you can ensure that your garden continues to look great as well as providing for you. These September gardening jobs set the stage for a vibrant and healthy garden in the months to come, and with a little effort, you can enjoy the rewards of your labour well into the autumn season. Happy gardening!

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