Plant health in gardens

Plant health

For great gardening you need healthy plants. We are leading the field in garden pest and disease research to help gardeners grow plants that thrive.

Gardening advice

Every year we answer tens of thousands of gardening enquiries, and it is our research that underpins our advice.

Gardening advice

Plant diseases

Plant pathology is the science that studies plant diseases and covers several aspects of plant diseases.


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Have you seen... lily beetle? Help our research and record your sightings with the RHS.

Rose black spot

Watch an informative video on the disease rose black spot and what you can do to lessen its spread.

Watch this video