Tag Archives: Laetisaria

Laetisaria is a genus of fungi in the family Corticiaceae. The genus has a widespread distribution and contains three species.

In lawn care the main species is Laetisaria fuciformis. This is commonly known in the lawn care industry as Red Thread. It is a very distinct lawn disease and gives a lawn a red/pink tinge.

Laetisaria fuciformis on lawns

Find out more about red thread, how to spot it and how to control it in these blog pages.

Red thread lawn disease (laetisaria fuciformis)

By | 17/01/2018

Red thread (laetisaria fuciformis) is a parasitic fungal disease which infects grass. It can appear in conjunction with pink patch lawn disease, causing similar symptoms. The disease causes areas of grass to discolour. These are usually circular, but they can coalesce into larger areas. These patches can appear over a few days, and may stay for several weeks.… Read More »

Question: Lawn looking like straw after cut

By | 15/08/2017

I received this question from a reader from surrey in August 2017 who is worried his newly turfed lawn looks like straw. Unfortunately I live in surrey but came across your site. Thank you for offering to reply to my email. I installed a lawn 3 months ago. I put down 20 tonnes of topsoil. It was growing… Read More »

The first case of red thread disease in 2013

By | 29/05/2013

Red thread disease (Laetisaria fuciformis) is a fungal infection which can attack grass in warm, wet summers. In 2012, red thread rose to almost epidemic levels, infecting almost 70% of lawns in the South Manchester area. The recent wet weather has meant that the grass sward is damp for most of the day which are ideal conditions for… Read More »