The RHS is the International Cultivar Registration Authority for conifer cultivar names
Download registration forms here:
Application form to register a conifer name
Application form to register a conifer name (North American version)
Guidance notes for North American form
The RHS publishes The International Conifer Register, and subsequent supplements.
Conifer registers
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The RHS is the UK’s gardening charity, helping people and plants to grow - nurturing a healthier, happier world, one person and one plant at a time.
