Vaste planten

Acanthus hungaricus

Aconitum napellus

Anchusa azurea 'Dropmore'

Aster novi-belgii 'Marie Ballard'

Campanula glomerata 'Superba'

Digitalis purpurea 'Excelsior Hybrids'

Echinops bannaticus 'Taplow Blue'

Echinops ritro

Echinops ritro 'Veitch's Blue'

Eryngium planum

Eryngium planum 'Blauer Zwerg'

Hesperis matronalis

Iris ensata

Iris sibirica 'Blue King'

Phlox maculata 'Alpha'

Polemonium caeruleum

Salvia nemerosa 'Blaukönigin'

Salvia nemerosa 'Mainacht'

Salvia nemerosa 'Ostfriesland'

Scutellaria incana

Thalictrum aquilegifolium 'Thundercloud'

Veronica longifolia 'Blauriesin'