Possibly the most suggestive vegetable, served unsliced, it will definitely break the ice.
Parthenocissus tricuspidata 'Veitchii'
Helleborus argutifolius
Dicentra spectabilis 'White Gold'
Rhododendron 'Gristede'
Daphne x transatlantica 'Eternal Fragrance'
Sedum spurium 'Spot on Red'
Helleborus orientalis 'SP Anja Oudolf'
Erysimum 'Bowles' Mauve'
Polemonium 'Touch of Class'
Anthriscus sylvestris 'Ravenswing'
Geranium sanguineum 'Max Frei'
Eryngium 'Big Blue'
Narcissus 'Pink Charm'
Physocarpus opulifolius 'Lady in Red'
Cephalotaxus harringtonia 'Korean Gold'
Acer palmatum 'Dissectum Garnet'