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We're looking for volunteers to grow dahlias to see which colours are most attractive to bees
This midge prevents healthy development of daylily flower buds.
Have you spotted this pest on rosemary or related plants?
We carry out extensive research on plant health, pests and diseases.
Help us track this pest, which defoliates Berberis and Mahonia plants.
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