Pear Rust - Gymnosporangium sabinae


Like many rust diseases, G. sabinae requires two different hosts to complete its life cycle from year to year. Juniper is the winter host and pear is the most common summer host.

Identification difficulty

On Pear and Juniper.

When to see it

Winter on Juniper and summer on Pear.

Life History

The disease can be particularly damaging on pear, resulting in complete defoliation and crop loss if not treated.

UK Status

Widespread and fairly frequent in England at least.

VC55 Status

Fairly frequent in Leicestershire and Rutland.

Leicestershire & Rutland Map


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

UK Map