| American beakgrain |
Diarrhena americana |
Proven performer (by rhizomes) |
| American germander |
Teucrium canadense |
Proven performer |
| Bishop's cap |
Mitella diphylla |
Low |
| Black snakeroot |
Sanicula gregaria |
Avoid! |
| Bloodroot |
Sanguinaria canadensis |
Medium |
| Blue cohosh |
Caulophyllum thalictroides |
Medium to low by seed (requires patience) |
| Blue phlox, sweet William |
Phlox divaricata |
High |
| Bottlebrush grass |
Elymus hystrix |
Medium |
| Brown-eyed Susan |
Rudbeckia triloba |
Avoid! |
| Canada anemone/meadow anemone |
Anemone canadensis |
Proven performer (by rhizomes) |
| Cardinal flower |
Lobelia cardinalis |
High in moist habitats |
| Carrion flower |
Smilax herbacea |
Low |
| Cluster leaf tick trefoil |
Desmodium glutinosum |
Low |
| Coralberry |
Symphoricarpos orbiculatus |
Proven performer (vegetatively) |
| Culver's root |
Veronicastrum virginicum |
Low |
| Cut-leaf toothwort |
Cardamine concatenata |
Low |
| Cutleaf coneflower |
Rudbeckia laciniata |
Medium |
| Davis' sedge |
Carex davisii |
Low |
| Dooryard violet |
Viola sororia |
High |
| Downy or silky wild rye |
Elymus villosus |
Proven performer |
| Dutchman's breeches |
Dicentra cucullaria |
Low |
| Early meadow rue |
Thalictrum dioicum |
Medium |
| Elm-leaved goldenrod |
Solidago ulmifolia |
High |
| False rue anemone |
Isopyrum biternatum |
Medium |
| False Solomon's seal |
Smilacina racemosa |
Medium to Low |
| Golden alexanders |
Zizia aurea |
Low to medium |
| Great blue lobelia |
Lobelia siphilitica |
Low |
| Hairy wood mint |
Blephilia hirsuta |
Proven performer |
| Heart-leaved aster; blue wood aster |
Aster cordifolius |
Proven performer |
| Hedge nettle |
Stachys tenuifolia |
Medium |
| Hepatica |
Hepatica nobilis |
Low |
| Hispid buttercup |
Ranunculus hispidus |
Proven performer (by vegetative spread) |
| Honewort |
Cryptotaenia canadensis |
Avoid! |
| Ironweed |
Vernonia balwinii |
Low |
| Jack-in-the-pulpit |
Arisaema triphyllum |
Medium |
| Jacob's Ladder |
Polemonium reptans |
Low |
| James' sedge |
Carex jamesii |
High (with transplants) |
| Joe Pye weed |
Eutrochium purpureum |
Low |
| Jumpseed |
Polygonum virginianum |
Proven performer |
| Large flowered bellwort |
Uvularia grandiflora |
Low |
| Lion's foot, White lettuce, Rattlesnake-root |
Prenanthes alba |
moderate |
| Long-beaked sedge |
Carex sprengelii |
Medium |
| Lousewort, wood betony |
Pedicularis canadensis |
Low |
| Mayapple, mandrake |
Podophyllum peltatum |
Low (extremely) by seed; high by transplant and vegetatively |
| Meadow rue |
Thalictrum dasycarpum |
Low |
| Monkey flower |
Mimulus ringens |
Low |
| Nodding fescue |
Festuca subverticillata |
Proven performer |
| Oak sedge |
Carex pennsylvanica |
Medium |
| Pussy toes and Ladies' tobacco |
Antennaria plantaginifolia and A. neglecta |
Low |
| Rough-leaved sunflower, woodland sunflower |
Helianthus strumosus |
Undetermined but probably high due to colony formation |
| Rue anemone |
Anemonella thalictroides |
Low |
| Sedge species |
Carex species |
|
| Side-flowered aster, Calico aster |
Symphyotrichum lateriflorum |
Proven performer |
| Solomon's seal |
Polygonatum biflorum |
Medium |
| Spikenard |
Aralia racemosa |
Medium |
| Spotted touch-me-not/Pale touch-me-not |
Impatiens capensis/ I. pallida |
Low |
| Spreading chervil |
Chaerophyllum procumbens |
Low |
| Spring beauty |
Claytonia virginica |
Medium |
| Stellate sedge |
Carex rosea |
Undetermined |
| Stickseed |
Hackelia virginiana |
Avoid! |
| Tall bellflower |
Campanula americana |
Proven performer |
| Thimbleweed |
Anemone virginiana |
Medium (by transplant) |
| Troublesome sedge |
Carex molesta |
High by seed |
| Trout lily, dogtooth violet |
Erythronium albidum |
Low |
| Virginia blue bells |
Mertensia virginica |
High |
| Virginia waterleaf |
Hydrophyllum virginianum |
High (by transplant) |
| White avens |
Geum canadense |
Avoid! |
| White baneberry |
Actaea pachypoda |
High |
| White snakeroot |
Ageratina altissima |
Avoid! |
| Whorled milkweed |
Asclepias verticillata |
Medium to Low |
| Wild columbine |
Aquilegia canadensis |
High |
| Wild geranium |
Geranium maculatum |
High |
| Wild ginger |
Asarum canadense |
Proven performer by vegetative spread |
| Wild leek |
Allium tricoccum |
Medium |
| Wingstem |
Verbesina alternifolia |
Avoid! |
| Wood anemone |
Anemone quinquefolia |
Low |
| Woodland lettuce |
Lactuca floridana |
Avoid! |
| Yellow forest violet |
Viola pubescens |
High |
| Yellow giant hyssop |
Agastache nepetoides |
Medium |
| Yellow pimpernel |
Taenidia integerrima |
Low |
| Zig zag goldenrod |
Solidago flexicaulis |
Proven performer by vegetative spread |
