Arboretum Foundation 2012 Garden Show Party Posted by Mike on February 7, 2012 Posted in: Arboretum Foundation 2012, NW Garden Show 2012. Tagged: arboretum society, foundation, nw flower and garden show 2012. Leave a comment 2-7-12 The Foundation holds an Auction and Dinner at an Early Open for the NW Flower and Garden Show This slideshow requires JavaScript. Advertisements