Vaste planten

Achillea millefolium 'Lilac Beauty'

Anchusa azurea 'Dropmore'

Aster laevis

Aster novi-belgii 'Marie Ballard'

Aster novi-belgii 'Schöne von Dietlikon'

Astilbe chinensis 'Pumila'

Campanula pyramidalis

Ceratostigma plumbaginoides

Cynara cardunculus

Dicentra formosa 'Luxuriant'

Echinacea purpurea

Echinops bannaticus 'Blue Globe'

Echinops bannaticus 'Taplow Blue'

Echinops ritro

Echinops ritro 'Veitch's Blue'

Geranium cinerium 'Ballerina'

Geranium sanguineum

Liatris spicata 'Kobold'

Liriope muscari

Malva sylvestris 'Primley Blue'

Nepeta faassenii

Nepeta faassenii 'Six Hills Giant'

Nepeta sibirica 'Souvenir d'André Chaudron'

Nepeta subsessilis

Salvia nemerosa 'Mainacht'

Salvia nemerosa 'Ostfriesland'

Salvia officinalis 'Aurea'

Salvia officinalis 'Purpurascens'

Salvia officinalis 'Tricolor'

Salvia verticillata 'Purple Rain'

Scabiosa columbaria 'Butterfly Blue'

Scutellaria incana

Stokesia laevis

Verbena bonariensis

Veronica gentianoïdes

Veronica longifolia 'Blauriesin'