Possibly the most suggestive vegetable, served unsliced, it will definitely break the ice.
Sempervivum 'Blushing Garnet'
Dianthus erinaceus
Hosta 'Popcorn'
Brassica oleracea 'Herfstreuzen 2'
Bergenia cordifolia
Chenopodium capitatum
Beta vulgaris 'Bright Lights'
Semponium 'Sienna'
Beta vulgaris 'Chioggia'
Erysimum 'Bowles' Mauve'
Semponium 'Diamond'
Helleborus x ericsmithii 'Pink Frost'
Phaseolus vulgaris 'Neckarkönigin' (BIO)
Rhododendron micranthum 'Bloombux'
Kalmia latifolia
Hosta 'Great Expectations'