Seasonal tasks for September

September can be a funny month weather wise in the UK, you may notice the late summer days are becoming shorter, but the warmth usually hangs around for a few weeks before autumn towards the end of the month. So, while the dry weather lasts there are still a few tasks you can carry out in the garden.

Vegetable garden – what can I plant?

If you have a fruit or vegetable patch, you’ll be busy reaping the rewards of harvest with many vegetables coming into season such as runner beans, sweet corn, tomatoes, cabbages, cauliflowers, lettuces, marrows and courgettes, cucumbers, beetroot, turnips, carrots, and potatoes.

But you will also be wondering what you can sow now…. this month is a good time to sow vegetable seeds for winter and spring such as leafy crops, autumn onions and broad beans. In August / early September the soil is still warn so seeds will germinate quickly, if we are lucky enough for the weather to stay fine, the growing season can continue for a few more weeks.


Continue to deadhead plants such as dahlias, delphiniums, roses and penstemons, this encourages a second flush to develop as long there is enough daylight and warmth, therefore extending the season of colourful blooms. Keep an eye out for any pest or disease presence such as white rust, eelworm or powdery mildew, especially if September is dry and warm. There are several ways to deadhead different flowers, take-a-look at the advice from Gardenersworld.com

Don’t forget your plants in hanging baskets or pots, if you feed them now, they could well provide a final burst of colour and glory.  When autumn sets in you can buy some hardy autumn-flowering plants which won’t mind the frosty mornings.

Believe it or not now is the time to start planting your spring-flowering bulbs, most garden centres will have them available to buy – think daffodils, snowdrops and tulips which are easy to grow. They can be planted anytime from September right through to November.

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