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Horticultural Database These pages discuss the work of the scientific staff based at the Laboratory at RHS Garden Wisley.
Latest news
Results of the RHS survey into cypress dieback Brown patches (dieback) are becoming more common on trimmed Leyland and Lawson cypress hedges.
RHS Science & Advice Report 2007
The RHS Science programme and gardeners’ advice service report for 2005-2006 is now available.
Hanburyana , published annually by the RHS Botany Department, is a serial dedicated to horticultural taxonomy.
Gardening Matters booklets
Front Gardens - Are we parking on our gardens? Do driveways cause flooding?
Water in the Garden - Are we draining our water supplies? How can gardeners save water?, sponsored by Thames Water.
Is there a Kalmia x Rhododendron hybrid?
We work with a wide range of plant groups,
including their classification, cultivation requirements
and pest and disease problems.
We address a range of horticultural topics,
from composting to plant naming.
Have a go at worm composting
Topical issues
Cypress dieback
Chestnut bleeding canker
Water-efficient Garden Design Conference
RHS Science Exchange: 'What cost the world in your garden?'
Biodiversity in the garden
Sudden oak death
Monitoring wildlife at Wisley
Phytophthora root rot diseases
Camellia petal blight
The RHS Horticultural Database
This is the essential reference to plants: their naming, availability and RHS collections in gardens and archives.
Search for a plant name in the RHS Horticultural Database
You can also search plant collections of gardens and societies , including the RHS, using a database system run by the Royal Botanic Garden Edinburgh.
RHS funding supports training of botanists of the future
The RHS is funding a Fellowship to enable students to study a one-year MSc in Plant Diversity at Reading University.
More details
Horticultural research & development
The National Horticultural Forum has released a review of the provision of UK horticultural R&D. Find out more