Artemisia lactifloraWeisser China-Beif ...
Buddleja davidii ’Nanho Blue’ ...
Lavandula angustifoliaLavandula angustifolia
Nepeta x faasseniiHybrid-Katzenminze ...
Perovskia atriplicifolia 'Blue Spire'Perovskia atriplic ...
Buddleja davidii FREE PETITE 'Blue Heaven'
Ceratostigma griffithii
Lavatera 'Blue Bird'
Lavatera maritima
Lavatera x clementii 'Barnsley
Potentilla fruticosa