Did you know that there are two grass-cutting mistakes that could keep birds, bee and butterflies away from your garden? Here's what to avoid.
Could you be tempted to change your lawn-mowing routine in order to help attract more wildlife to your garden?
Butterfly populations are down 80%, and garden bird numbers are ‘declining seriously’ across the UK, according to the Royal Society for the Protection of Birds (RSPB).
So it’s likely you’ve noticed changes to the amount of wildlife that usually visits your garden. Yet there could be two simple adjustments you could make to the way you cut your grass that could make all the difference to the number of critters you want to provide a habitat for.
“Lawns, while central to many garden designs, are often overlooked as important ecosystems in favour of the plants in beds that border them,” says Helen Bostock, Senior Wildlife Specialist at the Royal Horticultural Society.
“But they’re home to a huge amount of wildlife and help mitigate the impact of climate change.”
The two major grass-cutting mistakes made by many gardeners are:
1. Cutting the grass too short
2. Mowing the lawn too often
The Wildlife Trusts and RHS suggest that gardeners raise the blade on their mower.
Cutting the grass too short not only impacts the amount of wildlife that would otherwise benefit from its length, but it can also affect the depth of your grass roots (the longer the grass, the deeper and healthier the root).
The initiative is also asking gardeners to reduce the frequency of mowing to once every three to four weeks. This allows flowers such as dandelion and speedwell to bloom, which helps pollinators.
A manicured lawn stirs feelings of pride in many gardeners around the country. And rightly so – lawns can take a lot of work and dedication to maintain year after year. But not all gardeners agree that a cropped lawn is the best approach.
Monty Don told the Radio Times magazine: “Cutting grass... is about the most injurious thing you can do to wildlife.
“Letting grass grow – which is, after all, a pretty passive thing to do – is probably the single most effective thing you can do in any garden of any size to encourage particularly insect life, but also small mammals, invertebrates, reptiles."
The Wildlife Trusts and RHS say that lawns left to grow long are shown to help mitigate flooding by better soaking up rainwater. They also capture pollutants and, through their cooling properties, counter the 'heat-island effect' in urban areas.
This occurs when warm air becomes trapped at lower levels, as well as the temperature generally being warmer due to human activities.
Read Alan Titchmarsh's thoughts on the lawn care that benefits us and wildlife.
If your lawn is damaged and needs a helping hand in order to develop long blades, the Lawn Association suggests the following tips: Prepare the damaged area first.
Use a fork to lightly dig the soil to about 5-7cm (2-3"). This will allow new seedlings to take root. Rake level and then add the seed, raking again to encourage the seed to be approximately 1-3mm below the surface. Ensure that the seed never dries out – remember the seed needs to have moisture in it in order to swell and ‘pop’.
Make sure the soil is always a little damp to the touch, watering when necessary. Once the seed has germinated, it’s time to get a move on – and more importantly some food on. Seedlings require a lot of food in the initial germination phase.
Continue to mow the lawn, but set your blade slightly higher to allow seedlings a better chance to absorb food and water.
Tip: Longer grass is also better at resisting browning during dry spells than short grass, owing to its longer roots.
These benefits continue into the height of summer and provide all-important habitat for a whole host of insects including ants, bees and butterflies.
If your longer lawn still feels a bit bare, or you’re short on dandelions, then why not add some wildflower seeds into the mix?
You may have not had much luck scattering wildflower seeds or seed ‘bombs’ in the past, and that’s because it helps to sow the seeds in a greenhouse, cold frame or windowsill in early spring. This way, they have a better chance at establishing themselves before planting out into your lawn.
The campaign suggests other ways gardeners can adjust their lawn care to attract more wildlife to their garden and support the natural environment:
Want to learn more about how a longer lawn can benefit the environment? The Wildlife Trusts and RHS have produced an online guide – Wild About Lawns – that is full of tips and facts about wildlife-friendly lawn care.
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