Begonia 'Illumination White'
Exochorda macrantha 'The Bride'
Penstemon hirsutus var. pygmaeus
Houstonia caerulea 'Millard'
Cardiocrinum giganteum
Clematis 'Blue Angel'
Schizachyrium scoparium 'Blue Heaven'
Hydrangea macrophylla 'Princess Diana'
Camassia leichtlinii 'Blue Candle'