Podosphaera leucotricha

Alternative names
Apple Powdery Mildew

Podosphaera leucotricha is a mildew which affects the leaves and stems of woody Rosaceae species such as Apple (Malus sp.), producing a powdery, white coating. Infected leaves often become disfigured.

Identification difficulty
Recording advice

Unless identified by a recognised expert, a photo is required and the specimen should be examined with a microscope. In the comments box, state the key or ID method used and describe the size and identifying characters.


Where apple or other host trees occur.

When to see it

Apple Powdery Mildew emerges in the spring. Primary infections begin when the fungus which infected the plant in the previous year breaks its dormancy and resumes its growth.

UK Status

Widespread in Britain.

VC55 Status

Status in Leicestershire and Rutland not known.

Leicestershire & Rutland Map


Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map

Species profile

Common names
Apple Powdery Mildew
Species group:
Records on NatureSpot:
First record:
27/04/2020 (Calow, Graham)
Last record:
26/04/2023 (Cunningham, Sally)

Total records by month

% of records within its species group

10km squares with records

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