Astrantia major 'Roma'Astrantia major 'Roma'
Nepeta faassenii 'Six Hills Giant'Nepeta faassenii ' ...
Oenothera fruticosa 'Sonnenwende'Oenothera fruticos ...
Phlomis russelianaRussel-Brandkraut ...
Phlox paniculata 'Windsor'Phlox paniculata ' ...
Ceratostigma willmottianum