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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.
Every year we answer tens of thousands of gardening enquiries, and it is our research that underpins our advice.
Plant pathology is the science that studies plant diseases and covers several aspects of plant diseases.
...red lily beetle? Help our research and record your sightings with the RHS.
Watch an informative video on the disease rose black spot and what you can do to lessen its spread.
Watch this video
We're a UK charity established to share the best in gardening. We want to enrich everyone's life through plants, and make the UK a greener and more beautiful place.
Join the RHS today and get 12 months for the price of 9