Why do fairy rings always appear around October/November time and what causes them?
Simply, the weather conditions are just right. Even though air temperatures may have dropped, ground temperatures are still higher. Also, there is a lot more moisture in the air and in the ground.
The reason you have them in your lawn is because the spores have always been in your soil and have now activated. There are 3 types, all of which are created by the same spores. The first type is the most destructive which causes dead rings in your lawn with a mucus like or waxy substance which coats the soils surface and stops water permeating down.
The second type produces a ring of lush green grass the grows more vigorously than surrounding grass.
Type 3 is the one we most know – a ring of toadstools, although they can be just arcs, groups or individual clumps.
All can be treated quite easily and they are all caused by microscopic strands of fungal mycelium. They consume thatch and fibre and exude nitrogen. This is the key constituent is any lawn feed that makes your lawn greener.
If you are struggling with any of these, leave a note and I can help you out. By the way, ignore the old wives tales – digging out the affected area is not the way to solve the problem and most often makes the situation worse. Hope this is useful

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About nickbarban

RHS Qualified Horticulturalist and Garden Coach. I have been maintaining, designing and buidling gardens since 2002. With the company's 10 year anniversary coming up this year Im planning a whole host of stuff to give back, including blogging. Im here to answer your questions, give advice and just natter about anything to do with your garden. I'll be posting pictures and video and Id likr to see your gardens too. Nick Barban

One response »

  1. Neil Todd says:

    Like how they are described as 'Fairy Rings' :-). Not sure I'll find them in my piece of grass though..!!

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