Tulipa 'Flaming Flag'
Hosta 'Gooseberry Sundae'
Epipactis gigantea
Begonia multiflora 'La Madelon'
Cardiocrinum giganteum
Clematis 'Blue Angel'
Schizachyrium scoparium 'Blue Heaven'
Hydrangea macrophylla 'Princess Diana'
Camassia leichtlinii 'Blue Candle'