Q:Buddleja davidii 'Three in One' is not a true cultivar rather three differently coloured plants grown closely together in one pot to appear as one. 'Three in One' is produced by the Van Meuwen nursery at Spalding Lincolnshire UK. [1] Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
A:
Plant