Nepeta racemosa 'Snowflake'

Nepeta 'Walker's Low'

Nepeta 'Six Hills Giant'

Oenothera fruticosa

Origanum 'Rosenkuppel'

Origanum vulgare

Origanum vulgare 'Compactum'

Papaver nudicaule 'Gartenzwerg'

Papaver orientale 'Royal Wedding'

Penstemon 'Apple Blossom'

Pennisetum alopecuroides 'Hameln'

Penstemon digitalis 'Husker Red'

Penstemon 'White Bedder'

Persicaria amplexicaulis 'Lisan'

Persicaria affinis 'Superba'

Persicaria affinis 'Darjeeling Red'

Phlox 'Lilac Cloud'

Phlox 'Crackerjack'

Phlox 'Bright Eyes'

Phlox 'Amethyst'

Phlox 'Orange Perfection'

Phlox 'Laura'

Phlox 'Atropurpurea'

Phlox carolina 'Bill Baker'