The Preserve's 134-acre site features nearly 800 species of Pennsylvania native trees, shrubs, ferns, vines and herbaceous perennial wildflowers. The collection includes more than 80 native species designated as Plants of Special Concern in Pennsylvania, including rare, endangered and threatened plants.
Visit often to see our ever-changing display through the seasons—we're open year-round!
Skunk cabbage - Symplocarpus foetidus
Snow trillium - Trillium nivale
Marsh marigold - Caltha palustris
Liverwort - Hepatica nobilis
Spicebush - Lindera benzoin
American hazelnut - Corylus americana
Bloodroot - Sanguinaria canadensis
Twinleaf - Jeffersonia diphylla
Trout-lily - Erythronium americanum
Spring beauty - Claytonia virginica
Cut-leaf toothwort - Cardamine diphylla
Dutchman’s breeches - Dicentra cucullaria
Squirrel corn - Dicentra canadensis
Wood poppy - Stylophorum diphyllum
Toadshade - Trillium sessile
Red trillium - Trillium erectum
Large-flowered trillium - Trillium grandiflorum
Creeping Jacob's ladder - Polemonium reptans
Virginia bluebells - Mertensia virginica
Pinxter-flower - Rhododendron periclymenoides
Violets - Viola spp.
Shooting star - Dodecatheon meadia
Eastern columbine - Aquilegia canadensis
Eastern redbud - Cercis canadensis
Flowering dogwood - Cornus florida
Jack-in-the-pulpit - Arisaema triphyllum
Mayapple - Podophyllum peltatum
Foamflower - Tiarella cordifolia
Creeping phlox - Phlox stolonifera
Wild blue phlox - Phlox divaricata
Yellow lady’s-slipper - Cypripedium calceolus
Firepink - Silene virginica
Flame azalea - Rhododendron calendulaceum
Fringetree - Chionanthus virginicus
Trumpet honeysuckle - Lonicera sempervirens
Virginia spiderwort - Tradescantia virginiana
Blue flag - Iris versicolor
Mountain laurel - Kalmia latifolia
White beardtongue - Penstemon digitalis
Hairy beardtongue - Penstemon hirsutus
Sweetbay magnolia - Magnolia virginiana
Virginia sweetspire - Itea virginica
Smooth azalea - Rhododendron arborescens
Purple-flowering raspberry - Rubus odoratus
Prickly pear cactus - Opuntia humifusa
Shrubby St. John’s wort - Hypericum prolificum
Swamp azalea - Rhododendron viscosum
Rosebay rhododendron - Rhododendron maximum
Common milkweed - Asclepias syriaca
Butterfly weed - Asclepias tuberosa
Swamp milkweed - Asclepias incarnata
Cardinal flower - Lobelia cardinalis
Monkeyflower - Mimulus ringens
Bergamot - Monarda fistulosa
Wild senna - Senna hebecarpa
New York ironweed - Vernonia noveboracensis
Joe-pye-weed - Eutrochium fistulosum
Thin-leaved coneflower - Rudbeckia triloba
Lizard’s tail - Saururus cernuus
Purple giant hyssop - Agastache scrophulariifolia
Sweet pepperbush - Clethra alnifolia
Short-toothed mountain-mint - Pycnanthemum muticum
Great blue lobelia - Lobelia siphilitica
Summer phlox - Phlox paniculata
Tall tickseed - Coreopsis tripteris
Obedient plant - Physostegia virginiana
Sneezeweed - Helenium autumnale
Turtlehead - Chelone glabra
Woodland sunflower - Helianthus divaricatus
Thin-leaved sunflower - Helianthus decapetalus
Swamp rose mallow - Hibiscus moscheutos
Closed gentians - Gentiana andrewsii
Mistflower - Conoclinium coelestinum
White snakeroot - Ageratina altissima
White wood aster - Symphyotrichum divaricatus
Blue wood aster - Symphyotrichum cordifolius
New England Aster - Symphyotrichum novae-angliae
Wreath goldenrod - Solidago caesia
Rough-stemmed goldenrod - Solidago rugosa