The citation refers to the company's "outstanding contribution to international trade". Whetman Pinks, the only commercial pinks specialist in the world, exports to mainland Europe, Japan, USA, Canada, Australia, New Zealand and South Africa.
Approximately 150 of the awards have been announced so far this year for outstanding business achievement in the fields of international trade, innovation and sustainable development.
Managing director Carolyn Bourne said receiving the Queen's Award would contribute greatly towards helping to promote the UK ornamental horticulture industry around the world.
Whetman Pinks won overall ornamental grower of the year at this year's Grower of the Year Awards and will now be go forward, through the NFU, to the International Grower of the Year Awards.
The prejudging will take place in June to select the top five international nominees for the final judging. These nominees will be invited, expenses paid, by the International Association of Horticultural Producers and FloraCulture International to attend the prize-giving ceremony due to be held in Canada in September.
The final decision on the overall winner will be made by the jury during its meeting in September.