Prune your rose bushes and fertilize them. US Wildflower's Database of Wildflowers for Pennsylvania, Click on thumbnail for larger version of image, scientific name for detail page. You’ll tend to buy only what’s looking good then… or on sale. Learn More: How to Grow Squash Suggested Varieties: Cocozelle, Yellow Crookneck. Jack-in-the-Pulpit, Indian Turnip, Jack in the Pulpit, Jimsonweed, Jamestown Weed, Mad Apple, Moon Flower, Stinkwort, Thorn Apple, Devil's Trumpet, Sacred Datura, Sacred Thorn-apple, Indian Apple, Angel Trumpet, Hollow Joe Pye Weed, Trumpetweed, Tubular Thoroughwort, Hollow-stemmed Joe-pye-weed, Spotted Joe Pye Weed, Purple Boneset, Spotted Trumpetweed, Bachelor's Button, Bluebottle, Cornflower, Garden Cornflower, Ladies' Tresses, Northern Slender Lady's Tresses, Southern Slender Ladies' Tresses, Yellow Ladyslipper, Lesser Yellow Lady's Slipper, Greater Yellow Lady's Slipper, Small Flowered Yellow Lady's Slipper, Whiteflower Leafcup, White Bear's Foot, Smallflower Leafcup, Hairy Leafcup, Bear's Foot, Yellow Leafcup, Uvedalia, Sweet Autumn Clematis, Sweet Autumn Virginsbower, Leatherleaf Clematis, Yam-leaved Clematis, Leather Vasevine, Leather Flower, Vasevine, Western Clematis, Western White Clematis, Western Virgin's Bower, Creek Clematis, Old Man's Beard, Pepper Vine, Western Virgin's Bower, Western Blue Virginsbower, Mountain Clematis, Purple Clematis, Purple Virgin's-bower, Virgin's Bower, Devil's Darning Needles, Old Man's Beard, Woodland Lettuce, Florida Blue Lettuce, False Lettuce, Turk's Cap Lily, Turban Lily, Lily Royal, Swamp Lily, American Tiger Lily, Obedient Plant, False Dragonhead, Obedience, Ontario Lobelia, Brook Lobelia, Bog Lobelia, Kalm's Lobelia, Purple Loosestrife, Rosy Strife, Kill Weed, American Lotus, Water Lotus, Water Chinquapin, Yellow Lotus, Northern Maidenhair, Five-Fingered Maidenhair Fern, False Solomon's Seal, Feathery False Lily of the Valley, Solomon's Plume, Starry False Solomon's Seal, Starry False Lily of the Valley, Starflower False Solomon's Seal Star-flowered Solomon's Plume, Pineapple Weed, Wild Chamomile, Rayless Chamomile, Disc Mayweed, Maryland Meadow Beauty, Pale Meadow Beauty, Smooth Meadow Parsnip, Woodland Meadow Parsnip, Yellow Meadow Parsnip, Purple Meadow Parsnip, Skunk Meadow Rue, Waxyleaf Meadowrue, Purple Meadow-rue, Creeping Cucumber, Guadeloupe Cucumber, Squirting Cucumber, Butterfly Milkweed, Butterfly Weed, Pleurisy Root, Orange Milkweed, White Milkweed, Redring Milkweed, Variegated Milkweed, Swamp Milkweed, Western Swamp Milkweed, Pink Milkweed, Eastern Swamp Milkweed, Drumheads, Crossleaf Milkwort, Candy Root, Orange Milkwort, Red-hot-poker, Candy Weed, Yellow Milkwort, Blue Mistflower, Wild Ageratum, Mistflower, Rose Vervain, Rose Mock Vervain, Rose Verbena, Sweet William, Clump Verbena, Yellow Monkeyflower, Common Monkeyflower, Seep Monkeyflower, Sharpwing Monkey Flower, Winged Monkeyflower, Wild Potato Vine, Man of the Earth, Wild Sweet Potato, Bigroot Morning Glory, Small Red Morning Glory, Redstar, Starflower, Scarlet Morningglory, Small White Morning Glory, Whitestar, Pitted Morningglory, Ivyleaf Morning Glory, Entireleaf Morningglory, Small Morning Glory, Common Mullein, Great Mullein, Cowboy Toilet Paper, Flannel-plant, Carolina Horse Nettle, Bull Nettle, Devil's Tomato, Climbing Nightshade, Bittersweet Nightshade, Woody Nightshade, European Bittersweet, Fellenwort, Blue Nightshade, Three Bird Orchid, Threebirds, Nodding Pogonia, Nodding Ettercap, Nodding Wild Onion, Nodding Onion, Allegheny Onion, Sensitive Partridge Pea, Wild Sensitive Plant, Sensitive Pea, Partridgeberry, Partridge Berry, Sqaw Vine, Eyeberry, Perennial Pea, Sweet Pea, Everlasting Pea, Pearly Everlasting, Western Pearly Everlasting, Pencil Flower, Endbeak Pencilflower, Sidebeak Pencilflower, Beefsteak Plant, Beefsteak Mint, Perilla Mint, Bigleaf Periwinkle, Large Periwinkle, Greater Periwinkle, Small Periwinkle, Common Periwinkle, Dwarf Periwinkle, Lesser Periwinkle, Creeping Myrtle, Glade Phacelia, Smallflower Phacelia, Appalachian Phacelia, Georgia Phacelia, Central Basin Phacelia, Small-flowered Sco, Wild Blue Phlox, Woodland Phlox, Sweet William, Louisiana Phlox, Pickerelweed, Lanceleaf Pickerelweed, Heartleaf Pickerelweed, Pickerel Rush, Spotted Wintergreen, Pipsissewa, Striped Wintergreen, Striped Prince's Pine, Striped Prince's Plume, Dragon's Tongue, Narrowleaf Plantain, English Plantain, Buckhorn, Lanceleaf Plantain, Ribwort, Buckhorn, Ribgrass, Virginia Plantain, Dwarf Plantain, Southern Plantain, Hoary Plantain, Paleseed Indianwheat, Chokecherry, Western Chokecherry, Black Chokecherry, Bristle Thistle, Musk Thistle, Nodding Thistle, Nodding Plumeless Thistle, Rose Pogonia, Snakemouth Orchid, Rose Crested Orchid, Beard Flower, Sweet Crest Orchid, American Pokeweed, Pokeberry, Inkberry, Poke Sallet, Bowman's Root, False Ipecac, Fawn's Breath, Dropwort, Indian Hippo, Pinnate Prairie Coneflower, Yellow Coneflower, Grayhead Coneflower, Mexican Hat, Long-Headed Coneflower, Red Coneflower, Upright Prairie Coneflower, Thimbleflower, Eastern Prickly Pear, Low Prickly Pear Cactus, Devil's Tongue, Indian Fig, Common Eastern Prickly Pear, Seedbox, Smooth Seedbox, Bushy Seedbox, Rattle-box, Square-pod Water-primrose, Wingleaf Primrose-willow, Wingstem Water Primrose, Willow Primrose, Upright Primrose-willow, Creeping Water Primrose, Floating Primrose-Willow, Water-primrose, Eastern Purple Coneflower, Purple Coneflower, Great Ragweed, Buffalo Weed, Horseweed, Giant Ragweed, Tall Ambrosia, Common Ragweed, Annual Ragweed, Small Ragweed, Roman Wormwood, Small's Ragwort, Appalachian Ragwort, Southern Ragwort, Plain Ragwort, Downy Rattlesnake Plantain, Downy Rattlesnake Orchid, Adder's Violet, Net-leaf Plantain, Cankerweed, Lion's Foot, Snakeweed, Earthgall, Butterweed, Rosebay Rhododendron, Great Laurel, White Laurel, Florida Pinxter, Mountain Azalea, Pink Azalea, Hoary Azalea, Smooth Rockcress, Common Smooth Rock Cress, Dame's Rocket, Damask Violet, Night-scented Gilliflower, Queen's Gilliflower, Mother-of-the-evening, Summer Lilac, Prairie Rose, Climbing Rose, Climbing Prairie Rose, Climbing Wild Rose, Illinois Rose, Michigan Rose, Rose Pink, Bitterbloom, Square-stemmed Sabbatia, Rose Gentian, Swamp Rose Mallow, Crimsoneyed Rosemallow, Marshmallow, Woolly Rose Mallow, Hairy-fruited Hibiscus, Whorled Rosinweed, Three-leaved Rosinweed, Early Saxifrage, Virginia Saxifrage, Everlasting, Lungwort, Sweet Wilson, Brook Lettuce, Mountain Lettuce, Branch Lettuce, Lettuceleaf Saxifrage, Deer Tongue, Sea Purslane, Sea Pickle, Shoreline Seapurslane, Sicklepod, Sicklepod Senna, Java Bean, Blunt-leaf Senna, Chinese Senna, Arsenic Weed, Allegheny Serviceberry, Smooth Serviceberry, Shooting Star, Prairie Pointers, Eastern Shooting Star, Pride of Ohio, Roosterheads, Showy Orchis, Showy Orchid, Purple-hooded Orchid, Gay Orchid, Purple Orchis, Two-leaved orchis, Shrubby Cinquefoil, Shrubby Five-finger, Golden Hardhack, Mountain Silverbell, Carolina Silverbell, 4-wing Silverbell, Helmet Flower, Hissopleaf Skullcap, Helmet Skullcap, Hyssop Skullcap, Small Skullcap, Dwarf Skullcap, Little Skullcap, Water Knotweed, Swamp Smartweed, Water Smartweed, Dotted Smartweed, Dotted Knotweed, Water Smartweed, Bitterweed, Bitter Sneezeweed, Yellowdicks, Purple-headed Sneezeweed, Purplehead Sneezeweed, Autumn Sneezeweed, Common Sneezeweed, False Sunflower, Staggerwort, Yellow Star, Eastern Teaberry, American Wintergreen, Checkerberry, Bouncing Bet, Common Soapwort, Crow Soap, Wild Sweet William, Soapweed, Bird's Eye Speedwell, Persian Speedwell, Birdeye Speedwell, Winter Speedwell, Water Speedwell, Sessile Water-speedwell, Brook-pimpernell, Blue Water Speedwell, Northern Spicebush, Wild Allspice, Common Spicebush. 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