The American Horticultural Society announces an upcoming tour June 9 – 21 entitled Discovering Gardens in the Netherlands.  Visit the private garden of Piet Oudolf, one of the world’s most influential and innovative garden designers, whose credits include the High Line park in New York City and Lurie Garden in Chicago.  See the colorful world-famous flower auction at Aalsmeer.  Experience gardens that represent the best in Dutch horticulture, and discover how they have inspired gardens around the world.  Hosted by AHS Board member Jane Diamantis and her husband George, and tour leader Susie Orso of Specialtours, this is a journey you won’t want to miss.  For more information visit www.ahs.org/gardening-programs/travel-study, or contact Eleanor Nelson at enelson@ahs.org, telephone 703-768-5700, ext. 132. Image of Aalsmeer flower auction from www.tripadvisor.com.