Compiled in 2002 by Brad Roeller, Manager of Display Gardens, Institute of Ecosystem Studies
Note: Underlined plants have proven particularly resistant in IES trials.

Acaena spp. (New Zealand Burrs)
Acanthus spp. (Bears Breeches)
Achillea spp. (Yarrows)
Aconitum spp. (Monkshoods)
Adenophora lilifolia (Ladybells)
Agastache spp. (Giant Hyssop)
Ajuga repens (Bugleweed)
Alcea rosea (Hollyhock)
Alyssum spp. (Madworts)
Amsonia tabernaemontana (Blue Star)
Anemone spp. (Anemones)
Angelica spp. (Archangel)
Antennaria spp. (Pusseytoes)
Anthemis tinctoria (perennial Marguerite)
Aquilegia spp. (Columbine)
Arabis spp. (Rockcresses)
Arenaria montana (Sandwort)
Arisaema spp. (Jack-in-the-Pulpits)
Armeria maritima (Sea Thrift)
Artemesia spp. (Mugworts)
Aruncus spp. (Goatsbeards)
Asarum spp. (Wild Gingers)
Ascelpias spp. (Milkweeds)
Astilbe spp. (Astilbe)
Astrantia major (Masterwort)
Aurinia saxatilis (Basket of Gold Alyssum)
Baptisia spp. (False Indigo)
Bergenia spp. (Bergenia)
Boltonia asteroides (Boltonia)
Brunnera macrophylla (Siberian Bugloss)
Campanula rotundifolia (Harebell), C. carpatica (Carpathian Harebell)
Centaurea spp. (Knapweeds)
Centranthus ruber (Jupiter's Beard)
Cerastium tomentosum (Snow-in-Summer)
Ceratostigma plumbaginoides (Leadwort)
Chelone spp. (Turtleheads)
Chrysanthemum spp. (Chrysanthemums)
Cimicifuga spp. (Bugbanes)
Convallaria majalis (Lily-of-the-Valley)
Coreopsis spp. (Tickseeds)
Corydalis lutea (Gold Bleeding Heart)
Crocosmia x crocosmiflora (Montbretia)
Delosperma cooperi (Ice Plant)
Dianthus spp. (Pinks)
Dicentra spp. (Bleeding-Hearts)
Dictamnus albus (Gas Plant)
Digitalis spp. (perennial Foxgloves)
Dodecatheon media (Shooting Star)
Doronicum spp. (Leopard's Banes)
Echinacea purpurea (Purple Coneflower)
Echniops spp. (Globe Thistles)
Epimedium spp. (Barrenworts)
Eremurus spp. (Foxtail Lily)
Erigeron spp. (Fleabanes)
Eryngium spp. (Sea Hollies)
Erysimum asperum (Siberian Wallflower)
Erythronium americanum (Trout-Lily)
Eupatorium spp. (Joe-Pye Weeds)
Euphorbia spp. (Spurges)
Ferns
Filipendula spp. (Queen-of-the-Prairies)
Foeniculum vulgare (Fennel)
Gaillardia aristata, G. x grandiflora (perennial Blanket Flowers)
Galium odoratum (Sweet Woodruff)
Gaultheria (Wintergreen)
Gaura lindheimeri (White Gaura)
Geranium macrorrhizum (Bigroot Geranium)
Geum spp. (Avens)
Glaucium flavum (Horned Poppy)
Goniolimon tataricum (German Statice)
Gypsophila paniculata, G. repens (Baby's Breath)
Helenium autumnale (Sneezeweed)
Helianthus spp. (perennial Sunflowers)
Helleborus spp. (Hellebores)
Hepatica spp. (Hepaticas)
Hesperis matronalis (Dame's Rocket)
Heuchera spp. (Alumroots)
Hibicus spp (Rose Mallows)
Hydrastis canadensis (Goldenseal)
Hypericum calycinum (Aaron's Beard)
Iberis sempervirens (perennial Candytuft)
Inula spp. (Inula)
Iris germanica, I. cristata, I.sibirica, I. ensata, I. pseudocorus, I. tectorum (Iris)
Kirengeshoma palmata (Yellow Waxbells)
Knautia macedonia (Field-Scabious)
Kniphofia uvaria and hybrids (Red Hot Pokers)
Lamium spp. (Dead Nettles)
Lamiastrum galeobdolon (Yellow Archangel)
Lavandula angustifolia (English Lavender)
Liatris spp. (Blazing Stars)
Lychnis chalcedonica (Maltese Cross)
Ligularia spp. (Golden Groundsel)
Limonium latifolium (Statice)
Linaria spp. (Toadflaxes)
Linum perenne (perennial Blue Flax)
Liriope spicata (Lilyturf)
Lobelia spp. (Lobelias)
Lupinus spp. and hybrids (Lupines)
Lychnis spp. (Campions)
Lythrum spp. (Loosestrifes)
Macleaya spp. (Plume Poppies)
Malva alcea (Hollyhock Mallow)
Marrubium vulgare (Horehound)
Melissa officinalis (Lemon Balm)
Mentha spp. (Mints)
Mertensia virginica (Virginia Bluebells)
Mitchella repens (Partridgeberry)
Monarda spp. (Beebalms)
Myrrhis odorata (Sweet Cicely)
Nepeta spp. (Catmints)
Oenothera spp. (Evening Primroses)
Ophiopogon japonicus (Mondo Grass)
Opuntia humifusa (Prickly Pear)
Origanum vulgare (Oregano)
Ornamental Grasses
Pachysandra terminalis (Japanese Pachysandra), P. procumbens (Allegheny Spurge)
Paeonia spp. (Peonies)
Papaver orientale (Oriental Poppy)
Penstemon spp. (Beard-Tongues)
Perovskia atriplicifolia (Russian Sage)
Phlomis spp. (Greek Jerusalem Sage)
Phlox subulata (Moss Pink), P. stolonifera (Creeping Phlox), P. divaricata (Wild Blue Phlox)
Physostegia virginiana (Obedient Plant)
Platycodon grandiflorus (Balloon Flower)
Podophyllum peltatum (Mayapple)
Polemonium caeruleum (Jacob's Ladder)
Potentilla spp. (Cinquefoils)
Primula spp. (Primroses)
Pulmonaria spp. (Lungworts)
Pycnanthemum spp. (Mountain-Mints)
Ranunculus spp. (Buttercups)
Ratibida spp. (Prairie Coneflowers)
Rheum spp. (ornamental Rhubarbs)
Rudbeckia spp. (Coneflowers)
Ruta graveolens (Rue)
Sagina subulata (Irish Moss)
Salvia spp. (perennial Sages)
Sanguinaria canadensis (Bloodroot)
Santolina chamaecyparissus (Lavender Cotton)
Saponaria spp. (Soapworts)
Scabiosa caucasica (Pincushion Flower)
Scutellaria incana (Skullcap)
Sedum kamtschaticum, S. spurium (Stonecrops)
Sempervivum tectorum (Hens-and-Chickens)
Senecio spp. (perennial Groundsels)
Sidalcea malviflora (Miniature Hollyhock)
Silphium spp. (Rosinweed)
Sisyrinchium angustifolium (Blue-Eyed Grass)
Solidago spp. (Goldenrods)
Stachys byzantina (Lamb's-Ears), S. officinalis (Betony)
Stylophorum diphyllum (Celedine-Poppy)
Symphytum spp. (Comfreys)
Tanacetum vulgare (Common Tansy)
Telekia speciosa (Oxeye Daisy)
Teucrium chamaedrys, T. canadense (Germander)
Thalictrum spp. (Rues)
Thymus spp. (Thymes)
Tiarella spp. (Foamflowers)
Tradescantia virginiana (Spiderwort)
Trillium spp. (Wake-Robins)
Trollius europaeus (Common Globeflower)
Valeriana spp. (Valerians)
Verbascum spp. (Mulleins)
Verbena spp. (Vervains)
Vernonia noveboracensis (NY Ironweed)
Veronica austriaca, V. spicata (Speedwells)
Veronicastrum virginicum (Culver's Root)
Vinca minor (Periwinkle)
Viola labradorica (Labrador Violet)
Yucca filamentosa (Yucca)

Bulbs/Corms:
Allium spp. (ornamental Onions)
Arum italicum (Arum)
Camassia spp. (Quamash)
Colchicum autumnale (Colchicum)
Crocus tomassinianus (Dalmatia Crocus)
Eranthis hyemalis (Winter Aconite)
Fritillaria spp. (Fritillary)
Galanthus nivalis (Common Snowdrop)
Ipheion uniflorum (Ipheion)
Leucojum aestivum (Snowflake)
Narcissus spp. (Daffodils)
Scilla spp. (Squills)