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RNRS Trial Ground Certificate
Plant Types:Roses 
Description:[From A Family of Roses, by Sam McGredy and Sean Jennett, p. 23:] Among the most important trials and awards in the British Isles are those of the Royal National Rose Society, whose trial-grounds are at St. Albans. A panel of twenty judges examines the roses there at intervals throughout the season from June to September over two or three successive years.

Trial-Grounds Certificates are issued by the society to roses that have been grown for at least two years in the trial-grounds and that have been proved true to type and suitable for ordinary cultivation... 

(Default) Country:United Kingdom
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