Vinca minor 'Colada'
Scilla siberica
Pinus mugo 'Klosterkutter'
Asperula aristata subsp. scabra
Cardiocrinum giganteum
Clematis 'Blue Angel'
Schizachyrium scoparium 'Blue Heaven'
Hydrangea macrophylla 'Princess Diana'
Camassia leichtlinii 'Blue Candle'