Possibly the most suggestive vegetable, served unsliced, it will definitely break the ice.
Hosta 'Pizzazz'
Phillyrea angustifolia 'Green Line'
Hemerocallis 'Moonlit Summerbird'
Hosta 'Paradise Island'
Persicaria amplexicaulis 'Bonfire'
Actaea 'Pink Spike'
Coniogramme emeiensis
Polemonium 'Bressingham Purple'
Salvia microphylla 'Papajan'
Hosta 'Anne'
Galanthus 'Alan's Treat'
Galanthus 'Golden Fleece'