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Summer Garden Maintenance Tips

Now is a good time to apply a fertiliser with high potash content to ‘green up’ the grass. In late summer it’s not advisable to apply a high-nitrogen fertiliser to a lawn as it will promote vigorous growth, which will not stand up to the rigours of winter. Fertilisers with a high potash content will instead promote root growth, toughening up the grass for the winter ahead. Growth has slowed up now but to keep looking good, lawns still need mowing once a week.

Most hedges can be given their final trim towards the end of this month, as they will not grow much after this and the young birds have left the nest. If you want a level top hedge, fix a post at either end and tie twine between them at the required height. Trim the sides of the hedge first, working from the bottom up, whether using a powered hedge trimmer or hand shears. The reason for working upwards is that as you cut, the trimmings will fall away, and you will be better able to see where you are going. Make the hedge wider at the base and narrower at the top. This way it will stand up to the weather better. The top can be trimmed last using the twine as a guide.

Large-leaved hedges such as laurel cannot be trimmed with shears or hedge trimmers, because these would cut through the large leaves causing them to go brown. The way to cut these hedges is with secateurs. If you have a large hedge this is a long tiresome task, but the hedge will look so much better with no browned-off bits.

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