Perennials
Achillea ‘Moonshine’
Aconitum carmichaelii ‘Arendsii’
Actaea simplex Atropurpurea Group
Agastache ‘Black Adder’
Alcea rosea (biennial; I prefer single-flowered varieties)
Alchemilla mollis
Amsonia hubrichtii
Anemone × hybrida ‘Honorine Jobert’
A. tomentosa ‘Robustissima’
Artemisia ludoviciana ‘Silver Queen’
Aruncus aethusifolius
A. dioicus
Asarum europaeum
Aster ‘Little Carlow’
A. novae-angliae ‘Purple Dome’
A. tataricus ‘Jindai’
Astilbe chinensis var. taquetii ‘Superba’
Baptisia australis
Bergenia ‘Bressingham Ruby’
Brunnera macrophylla
Campanula lactiflora ‘Pritchard’s Variety’
Ceratostigma plumbaginoides
Coreopsis verticillata ‘Moonbeam’
Crocosmia ‘Lucifer’
Cynara cardunculus (biennial)
Darmera peltatum
Dicentra spectabilis ‘Alba’
Digitalis purpurea and D. p. ‘Alba’ (biennial)
Echinacea purpurea
Epimedium species and cultivars
Erigeron karvinskianus
Eryngium giganteum (biennial)
Eupatorium maculatum ‘Gateway’
Euphorbia amygdaloides var. robbiae
Ferns: Athyrium filix-femina
A. niponicum var. pictum
Dryopteris erythrosora
Geranium ‘Brookside’, ‘Johnson’s Blue’, ‘Jolly Bee’
G. macrorrhizum
Geum ‘Fire Opal’, ‘Lady Stratheden’, ‘Mrs. J. Bradshaw’
Helianthus angustifolius
Heliopsis helianthoides var. scabra ‘Prairie Sunset’, Summer Sun
Helleborus foetidus
H. ×hybridus
Hemerocallis ‘Autumn Prince’, ‘Happy Returns’, ‘Hyperion’, ‘Poinsettia’
Heuchera ‘Plum Pudding’
Hibiscus moscheutos ‘Lady Baltimore’, ‘Lord Baltimore’
Hosta ‘Patriot’
H. plantaginea ‘Aphrodite’
H. sieboldiana var. elegans
H. ‘Sum and Substance’
Iris ensata ‘Variegata’
I. pallida ‘Argentea Variegata’
Kirengeshoma palmata
Kniphofia ‘Alcazar’, ‘Little Maid’, ‘Percy’s Pride’
Lavandula angustifolia ‘Hidcote’
Ligularia ‘The Rocket’
Liriope muscari ‘Big Blue’
L. Silvery Sunproof (L. muscari ‘Variegata’)
Lychnis chalcedonica
Nepeta racemosa ‘Walker’s Low’
N. sibirica ‘Souvenir d’Andre Chaudron’
N. ‘Six Hills Giant’
N. subsessilis
Paeonia lactiflora ‘Krinkled White’
Penstemon digitalis ‘Husker Red’
Perovskia atriplicifolia
Persicaria amplexicaulis ‘Firetail’, ‘Atrosanguineus’
P. bistorta ‘Superba’
Phlox paniculata ‘Bright Eyes’, ‘David’
Platycodon grandiflorus
Polygonatum odoratum var. pluriflorum ‘Variegatum’
Pulmonaria saccharata ‘Mrs. Moon’
Rodgersia aesculifolia
Rudbeckia laciniata ‘Herbstsonne’
R. maxima
Salvia × sylvestris ‘Blauhügel’ (Blue Hill), ‘Ostfriesland’,
‘Mainacht’ (May Night)
Santolina chamaecyparissus
Sedum Autumn Joy
S. cauticola ‘Lidakense’
Solidago rugosa ‘Fireworks’
Stachys byzantina ‘Countess Helen Von Stein’
Thalictrum aquilegiifolium
T. rochebruneanum ‘Lavender Mist’
Verbascum bombyciferum ‘Polarsommer’ (biennial)
V. ‘Helen Johnson’
Vernonia noveboracensis
Veronicastrum virginicum
Vinca minor
Yucca filamentosa ‘Color Guard’
Aconitum carmichaelii ‘Arendsii’
Actaea simplex Atropurpurea Group
Agastache ‘Black Adder’
Alcea rosea (biennial; I prefer single-flowered varieties)
Alchemilla mollis
Amsonia hubrichtii
Anemone × hybrida ‘Honorine Jobert’
A. tomentosa ‘Robustissima’
Artemisia ludoviciana ‘Silver Queen’
Aruncus aethusifolius
A. dioicus
Asarum europaeum
Aster ‘Little Carlow’
A. novae-angliae ‘Purple Dome’
A. tataricus ‘Jindai’
Astilbe chinensis var. taquetii ‘Superba’
Baptisia australis
Bergenia ‘Bressingham Ruby’
Brunnera macrophylla
Campanula lactiflora ‘Pritchard’s Variety’
Ceratostigma plumbaginoides
Coreopsis verticillata ‘Moonbeam’
Crocosmia ‘Lucifer’
Cynara cardunculus (biennial)
Darmera peltatum
Dicentra spectabilis ‘Alba’
Digitalis purpurea and D. p. ‘Alba’ (biennial)
Echinacea purpurea
Epimedium species and cultivars
Erigeron karvinskianus
Eryngium giganteum (biennial)
Eupatorium maculatum ‘Gateway’
Euphorbia amygdaloides var. robbiae
Ferns: Athyrium filix-femina
A. niponicum var. pictum
Dryopteris erythrosora
Geranium ‘Brookside’, ‘Johnson’s Blue’, ‘Jolly Bee’
G. macrorrhizum
Geum ‘Fire Opal’, ‘Lady Stratheden’, ‘Mrs. J. Bradshaw’
Helianthus angustifolius
Heliopsis helianthoides var. scabra ‘Prairie Sunset’, Summer Sun
Helleborus foetidus
H. ×hybridus
Hemerocallis ‘Autumn Prince’, ‘Happy Returns’, ‘Hyperion’, ‘Poinsettia’
Heuchera ‘Plum Pudding’
Hibiscus moscheutos ‘Lady Baltimore’, ‘Lord Baltimore’
Hosta ‘Patriot’
H. plantaginea ‘Aphrodite’
H. sieboldiana var. elegans
H. ‘Sum and Substance’
Iris ensata ‘Variegata’
I. pallida ‘Argentea Variegata’
Kirengeshoma palmata
Kniphofia ‘Alcazar’, ‘Little Maid’, ‘Percy’s Pride’
Lavandula angustifolia ‘Hidcote’
Ligularia ‘The Rocket’
Liriope muscari ‘Big Blue’
L. Silvery Sunproof (L. muscari ‘Variegata’)
Lychnis chalcedonica
Nepeta racemosa ‘Walker’s Low’
N. sibirica ‘Souvenir d’Andre Chaudron’
N. ‘Six Hills Giant’
N. subsessilis
Paeonia lactiflora ‘Krinkled White’
Penstemon digitalis ‘Husker Red’
Perovskia atriplicifolia
Persicaria amplexicaulis ‘Firetail’, ‘Atrosanguineus’
P. bistorta ‘Superba’
Phlox paniculata ‘Bright Eyes’, ‘David’
Platycodon grandiflorus
Polygonatum odoratum var. pluriflorum ‘Variegatum’
Pulmonaria saccharata ‘Mrs. Moon’
Rodgersia aesculifolia
Rudbeckia laciniata ‘Herbstsonne’
R. maxima
Salvia × sylvestris ‘Blauhügel’ (Blue Hill), ‘Ostfriesland’,
‘Mainacht’ (May Night)
Santolina chamaecyparissus
Sedum Autumn Joy
S. cauticola ‘Lidakense’
Solidago rugosa ‘Fireworks’
Stachys byzantina ‘Countess Helen Von Stein’
Thalictrum aquilegiifolium
T. rochebruneanum ‘Lavender Mist’
Verbascum bombyciferum ‘Polarsommer’ (biennial)
V. ‘Helen Johnson’
Vernonia noveboracensis
Veronicastrum virginicum
Vinca minor
Yucca filamentosa ‘Color Guard’