Disease Development Calendar for Lawns:

Symptoms visible:

Grey Snow Mould from beginning of January to mid March and mid November to end of December,
Pink Snow Mould, Fusarium Patch from beginning of October to end of December,
Brown Patch from beginning of June to end of August,
Leaf Spots from beginning of May to mid November,
Melting Out from beginning of May to mid September,
Pythium Blight from beginning of July to end of August,
Ring Patch Diseases from beginning of April to end of November.

Pathogen activity period:

Grey Snow Mould from beginning of January to end of March and mid November to end of December,
Pink Snow Mould, Fusarium Patch from beginning of October to end of December,
Brown Patch from mid June to mid September,
Leaf Spots from beginning of May to mid November,
Melting Out from beginning of June to mid July,
Dollar Spot from, mid June to mid October,
Pythium Blight from beginning of July to mid September,
Ring Patch Diseases from beginning of April to end of November.

Return to Disease Development Calendar for Lawns.