Penstemon × hybrida
Long-blooming perennial with tubular flowers.
Alchemilla mollis
Astilbe
Astilbe × arendsii
Bergenia
Bergenia cordifolia
Black-eyed Susan (perennial type)
Rudbeckia fulgida
Bleeding heart
Lamprocapnos spectabilis
Bluebell
Hyacinthoides non-scripta
Brunnera
Brunnera macrophylla
Kruipend zenegroen
Ajuga reptans
