The Howden, East Yorkshire based company said the move makes the benefits of its "expertise, first class facilities, strict hygiene regime and a rigorous focus on the customer's requirements", available to a wider market.
Plant Raisers specialises in protected crops and ornamentals, supplying professional growers throughout the UK and Europe.
Although perhaps best known for its tomato, cucumber and pepper plants, the production of ornamental plug plants has been a major feature of Plant Raisers' spring output for many years, selling through major retailers, household names in the industry, to garden centres and by mail order to the public.
Plant Raisers will be on Stand B26
The Four Oaks Trade Show 2015 takes place on September 8 and 9 at Farm Lane, Lower Withington, Macclesfield, Cheshire.