Using lawn fertiliser is a great way to keep your grass looking healthy and robust, but moderation is key - after all, it is possible to have too much of a good thing!

Overdoing the fertiliser can give your lawn a scorched appearance, like this:

Lawn fertiliser burn

Photo by Sten Porse (source: Wikimedia Commons)

 

What causes fertiliser burn?

Fertiliser burn occurs when you over-fertilise your grass. It can also happen if you apply certain types of fertiliser to a wet lawn. Fertiliser burn is caused by the nitrogen salts found in lawn feed products.

A little bit of salt is useful for keeping your grass nice and healthy. However, if you apply too much fertiliser in one go, the excess salt may give your lawn a withered, discoloured appearance.

 

How can I prevent scorching when I fertilise my lawn?

Here are some tips to help you avoid fertiliser burn when you're feeding your lawn:

  • Stick to the recommended amount of lawn feed - a lot of people assume that adding more fertiliser will result in an even more verdant lawn, but you'll probably just end up with a lot of unsightly brown grass instead!

  • Try to avoid applying fertiliser when your lawn is damp.

  • Consider switching to a slow-release fertiliser that releases nutrients into the soil gradually.

  • Beware of feeding your lawn during prolonged periods of dry weather. The lack of moisture will make the fertiliser more highly concentrated and increase your risk of fertiliser burn - wait until the drought is over!

If your lawn is scorched where you've applied too much fertiliser, Lawn & Weed Expert can help! Give us a call on 0800 111 4958 to arrange a FREE lawn survey.

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