Photo

The Rocket Leopard Plant
Ligularia 'The Rocket'
In Bloom

Goat's Beard
Aruncus dioicus

Green Carpet Japanese Pachysandra
Pachysandra terminalis 'Green Carpet'

Blue Hill Wood Sage
Salvia x sylvestris 'Blauhugel' BLUE HILL
In Bloom

Shenandoah Switch Grass
Panicum virgatum 'Shenandoah'

Periwinkle
Vinca minor

There is 1 guess:
it is a kind of Yarrow
Achillea
In Bloom