London, UK. 6 February 2014. Pictured: Horticulturalist Jess Lee at work. The annual orchids festival at the Royal Botanic Gardens, Kew, takes centre stage in the Princess of Wales Conservatory from 8 February to 9 March 2014. This year's theme is &quot;Orchids: A Plant Hunters' Paradise&quot;. More than 6500 orchids of the Phalaenopsis, Vanda and Cambria hybrids have been worked into colourful displays by a team of 20 people which took 4 weeks to build.