Possibly the most suggestive vegetable, served unsliced, it will definitely break the ice.
Ceanothus 'Concha'
Leycesteria formosa LITTLE LANTERNS
Tigridia pavonia 'Aurea'
Hosta 'Silver Threads and Gold Needles'
Rhamnus microcarpa
Schefflera alpina 'Mountain Gem'
Geum 'Fiery Tempest'
Daphne 'Sweetheart'