Wildflower Bloom Schedule

July 16 through August 10

This is a checklist of plants in flower between July 15 and August 10.  The list is not all inclusive.  It was compiled from the Nature Observer’s plant records from 2002 through 2009.  Plants are arranged alphabetically by family.

Amaranthaceae - Amaranth family

1. Lamb's Quarter, Chenopodium album
   

2. Yellow Stargrass, Hypoxis hirsuta
   

Anacardiaceae - Cashew family

1. Smooth  Sumac, Rhus glabra,
   

2. Staghorn Sumac, Rhus typhina
   

Apiaceae - Parsley or Umbel family

1. Great Angelica, Angelica atropurpea,
   

2. Hairy Angelica, Angelica venenosa
   

3. Water Hemlock, Cicuta maculata
   

4. Honewort, Cryptotaenia canadensis
   

5. Queen Anne's Lace, Daucus carota
   

6. Meadow Parsnip, Thaspium trifoliatum
   

Apocynaceae - Dogbane family

1. Spreading Dogbane, Apocynum androsaemifolium,
   

2. Indian Hemp, Apocynum cannabinum, Apocynaceae
   

Araliaceae - Ginseng family

1. Spikenard, Arailia racemosa
   

Asclepiadaceae - Milkweed family

1. Poke Milkweed, Asclepias exaltata
   

2. Swamp Milkweed, Asclepias incarnata
   

3. Common Milkweed, Asclepias syriaca
   

4. Butterflyweed, Asclepias tuberosa
   

Asteraceae - Composite family

1. Jerusalem Artichoke, Helianthus tuberosus
   

2. Yarrow, Achillea millefolium
   

3. Common Ragweed, Ambrosia artemisisfolia
   

4. Giant Ragweed, Ambrosia trifida
   

5. Pearly Everlasting, Anaphalis margaritacea
   

6. Stinking Chamomile, Anthemis cotula
   

7. Burdock, Arctium minus
   

8. Common Mugwort, Artemisia vulgaris
   

9. Pale Indian Plantain,  Cacalia atriplicifoli
   

10. White Wood Aster, Aster divaricatus
    

11. Flat-topped Aster, Aster umbellatus
    

12. Spotted Knapweed, Centaurea maculosa
    

13. Blue Chicory, Chichorium intybus
    

14. Ox-eye Daisy, Chrysanthemum leucanthemum
    

15. Tall Thistle, Cirsium altissimum
    

16. Canada Thistle, Cirsium arvense
    

17. Swamp Thistle, Cirsium muticum
    

18. Pasture Thistle, Cirsium pumilum
    

19. Bull Thistle, Cirsium vulgare
    

20. Horseweed, Conyza canadensis
    

21. Tall Coreopsis, Coreopsis tripteris
    

22. Fireweed, Erichtites hieracifolia
    

23. Common Fleabane, Erigeron annuus
    

24. Daisy Fleabane, Erigeron philadelpicus
    

25. Joe Pyeweed, Eupatorium fistulosum
    

26. Spotted Joe-Pye-Weed, Eupatorium maculatum
    

27. Boneset, Eupatorium perfoliatium
    

28. Sweet Scented Joe-Pye-Weed, Eupatorium purpureum
    

29. White Snakeroot, Eupatorium rugosum
    

30. Quickweed, Galinsoga quadriradiata
    

31. Sneezeweed, Helenium autumnale
    

32. Common Sunflower, Helianthus annuus
    

33. Thin-leaved Sunflower, Helianthus decapetalus
    

34. Giant Sunflower, Helianthus giganteus
    

35. Woodland Sunflower,  Helianthus divaricatus, Asteraceae
    

36. Ox-eye, Heliopsis helianthoides
    

37. Orange Hawkweed, Hieracium aurantiacum
    

38. Field Hawkweed, Hieracium caespitosum
    

39. Hairy Hawkweed, Hieracium gronovii
    

40. Mouse-eared Hawkweed,  Hieracium pilosella, Asteraceae
    

41. Cat's Ear, Hypochoeis radicata
    

42. Wild Lettuce,  Lactuca canadensis, Asteraceae
    

43. White Lettuce, Lactuca alba
    

44. Prickly Lettuce, Lactua serriola
    

45. Nipplewort, Lapsana communis
    

46. Blazing Star, Liatris spicata
    

47. Small-flowered Leafcup, Polymnia canadensis
    

48. Tall Rattlesnake, Prenanthes trifoliata
    

49. Black-eyed Susan, Rudbeckia hirta
    

50. Green-headed Coneflower, Rudbeckia lacinata
    

51. Thin-leaved Coneflower, Rudbeckia triloba
    

52. Toothed White-topped Aster, Seriocarpus asteroides 
    

53. Whorled Rosinweed, Silphium trifoliatum
    

54. Grass-leaved Goldenrod, Solidago graminifolia
    

55. Early Goldenrod, Solidago juncea
    

56. Spiny-leaved Sow-thistle, Sonchus asper
    

57. Tansy, Tanacetum vulgare
    

58. Dandelion, Taraxacum officale
    

59. Wingstem, Verbesina alternifolia
    

60. Tall Ironweed, Vernonia altissima
    

61. New York Ironweed, Vernonia noveboracensis
    

Balsaminaceae - Touch-me-not family

1. Spotted Jewelweed, Impatiens capensis
   

2. Pale Jewelweed, Impatiens pallida
   

Bignoniaceae - Catalpa family

1. Trumpet-vine, Campsis radicans
   

Boraginaceae - Borage Family

1. Viper's Bugloss, Echium vulgare
   

2. Virginia Stickseed, Hackelia virginiana
   

3. Smaller Forget-me-not, Myosotis laxa
   

4. True Forget-me-knot
   

Brassiaceae - Mustard or Cress family

1. Watercress, Nasturtium officiale
   

Cabombaceae, Watershield family

1. Water Shield, Brasenia schreberi
   

Campanulaceae - Bellflower family

1. Tall Bellflower, Campanula americana
   

Caprfoliaceaae - Honeysuckle family

1. American Elder, Sambucus canadensis
   

2. Bush-honeysuckle, Diervilla lonicera
   

Caryophyllaceae - Pink family

1. Deptford Pink, Dianthus armeria
   

2. Mouse-eared Chickweed, Cerastium glomeratum
   

3. Bouncing Bet, Saponaria officinalis
   

4. Sleepy Catchfly, Silene antirrhina
   

5. White Campion, Silene latifolia
   

6. Starry Campion, Silene stellata
   

7. Lesser Stitchwort, Stellaria graminea
   

8. Common Chickweed, Stellaria media
   

Commelinaceae - Spiderwort family

1. Asiatic Dayflower, Commelina communis
   

Convolvulaceae - Morning-glory family

1. Hedge Bindweed, Calystegia sepium
   

2. Field Bindweed, Convulvulus arvensis
   

3. Dodder, Cuscata gronovii
   

Crassulaceae - Stonecrop family

1. Moss Sedum, Sedum acre
   

Dipsacaceae - Teasel family

1. Fuller's Teasel (White Teasel), Dipsacus sativus
   

2. Teasel, Dipsacus sylvestris, Dipsacaceae
   

Ericaceae - Heath family

1. Spotted Pipsissewa, Chimaphila maculata (Pyrolaceae)
   

2. Teaberry, Gaultheria procumbens
   

3. Indian Pipe, Monotropa uniflora (Monotropaceae)
   

4. Great Rhododendron, Rhododendron maximum
   

5. Large Cranberry, Vaccinium macrocarpon
   

6. Small Cranberry, Vaccinium oxycoccos
   

Euphorbiaceae - Spurge family

1. Three-seeded Mercury, Acalypha rhomboidea, Euphorbiaceae
   

2. Hairy Spurge, Chamaesyce vermiculata
   

3. Flowering Spurge, Euphobia corollata
   

Fabaceae - Pea family

1. Hog Peanut, Amphicarpa bracteata
   

2. Groundnut, Apios americana
   

3. Wild Indigo, Baptista tinctoria, Fabaceae
   

4. Showy Tick-trefoil, Desmodium canadense
   

5. Cluster-leaved Tick-trefoil, Desmodium glutinosum
   

6. Naked-flowered Tick Trefoil, Desmodium nudiflorum
   

7. Panicled Tick-trefoil, Desmodium paniculatum  
   

8. Perennial Sweetpea, Lathyrus latifolus
   

9. Birdsfoot Trefoil, Lotus corniculatus
   

10. Black Medic, Medicago lupulina, Fabaceae 
    

11. White Sweet Clover, Melilotus alba
    

12. Yellow-Sweet Clover, Melilotus officiale
    

13. Hop Clover, Trifolium agrarium
    

14. Red Clover, Trifolium pratense
    

15. Northern Wild Senna, Senna hebecarpa
    

16. White Clover, Trifolium repens,
    

Hypericaceae - St. John’s-wort family

1. Pale St. John's-wort, Hypericum ellipticum,
   

2. Dwarf St. John's-wort, Hypericum mutilum
   

3. Common St. John's-wort, Hypericum perforatum
   

4. Shrubby St. John's-wort, Hypericum prolificum
   

5. Spotted St. John's-wort, Hypericum punctatum
   

6. Great St. John's-wort, Hypericum pyramidatum
   

Hydrangeaceae - Hydrangea family

1. Wild Hydrangea, Hydrangea arborescens
   

Iridaceae, Iris family

1. Blue-eyed Grass, Sisyrinchium angustifolium
   

Lamiaceae - Mint family

1. Hairy Wood Mint, Blephilia hirsuta
   

2. Wild basil, Clinopodium vulgare
   

3. Horse Balm, Collinonsia canadensis
   

4. Hemp-nettle, Galeopsis tetrahit, Lamiaceae
   

5. Motherwort, Leonurus cardiaca
   

6. Spearmint, Menta spicata
   

7. Basil Balm, Monarda clinopodia
   

8. Bee Balm, Monarda didyma
   

9. Wild Bergamot, Monarda fistulosa
   

10. Purple Bergamot, Monarda media
    

11. False Dragonhead, Physostegia virginiana
    

12. Self Heal, Prunella vulgare
    

13. Mountain Mint, Pycanthemum incanum
    

14. Short-toothed Mountain Mint, Pycanthemum muticum
    

15. Mountain Mint, Pycanthemum tenuifolium
    

16. Hairy Skullcap, Scutellaria elliptica
    

17. Downy Skullcap, Scutellaria incana
    

18. Mad Dog Skullcap, Scutellaria lateriflora
    

19. American Germander, Teurcrium canadense
    

Lilaceae - Lily family

1. Nodding Wild Onion, Allium cernuum
   

2. Day Lily, Hemerocallis fulva, Liliaceae
   

3. Turk's Cap Lily, Lilium superbum, Liliaceae
   

Lobelaceae - Lobelia family

1. Cardinal Flower, Lobelia cardinalis
   

2. Indian Tobacco, Lobelia inflata
   

3. Great Lobelia, Lobelia siphilitica
   

Malvaceae - Mallow or Hibiscus family

1. Swamp Rose Mallow, Hibiscus moscheutos
   

2. Musk Mallow, Malva moshata
   

3. Cheeses, Malva neglecta
   

Nymphaeaceae - Water-lily family

1. Spatterdock, Nuphar lutea
   

2. Fragrant Waterlily, Nymphaea odorata
   

Onagraceae - Evening Primrose family

1. Dwarf Enchanter's Nightshade, Ciraeae alpina
   

2. Enchanter's Nightshade, Ciraeae lutetiana
   

3. Purple-leaved Willowherb, Epilobium coloratum
   

4. Hairy Willow Herb, Epilobium hirsutum
   

5. Biennial Gaura, Gaura biennis
   

6. Seedbox, Ludwegia alternifolia
   

7. Common Evening Primrose, Oenothera biennis
   

8. Sundrops, Oenothera fruiticosa
   

Orchidaceae - Orchid family

1. Bastard Hellebore, Epipactis helleborine
   

2. Downy Rattlesnake Plantain, Goodyera pubescens
   

3. Purple Fringed Orchid, Platanthera psycodes
   

4. Rose Pogonia, Pogonia ophioglossiodes
   

Oxalidaceae - Wood Sorrel family

1. Yellow Wood Sorrel, Oxalis scripta
   

2. Violet Wood Sorrel, Oxalis violacea
   

Papaveraceae  - Poppy family

1. Greater Celandine, Chelidonium majus 
   

Phytolaccaceae - Pokeweed family

1. Pokeweed, Phytolacca americana
   

Plantaginaceae - Plantain family

1. English Plantain, Plantago lanceolata
   

2. Broad-leafed Plantain, Plantago major
   

Polemoniaceae - Phlox family

1. Wild Sweet William, Phlox maculatum
   

2. Summer Phlox, Phlox paniculata
   

Polygalaceae - Milkwort family

1. Purple Milkwort, Polygala sanquinea
   

Polygonaceae - Smartweed or Buckwheat family

1. Doorweed, Polygonum aviculare
   

2. Swamp Smartweed, Polygonum coccineum
   

3. Japanese Knotweed, Polygonum cuspidatum
   

4. Common Smartweed, Polygonum hydropiper
   

5. Mild Water-pepper, Polygonum hydropiperoides
   

6. Nodding Smartweed, Polygonum lapathifolium
   

7. Lady's Thumb, Polygonum persicaria
   

8. Arrow-leaved Tearthumb, Polygonum sagittatum
   

9. Climbing False Buckwheat, Polygonum scandens
   

10. Jumpseed, Polygonum virginianum
    

11. Sheep Sorrel, Rumex acetosella
    

12. Curly Dock, Rumex crispus
    

13. Bitter Dock, Rumex obtusifolius
    

Portulacaceae - Purslane family

1. Purslane, Portulaca oleracea
   

Pontderiaceae - Pickerel-weed family

1. Pickerel-weed, Pontederia cordata
   

Primulacea - Primrose family

1. Fringed Loosestrife, Lysimachia ciliata
   

2. Whorled Loosestrife, Lysimachia quadrifolia
   

3. Swamp Candles, Lysimachia terrestris
   

4. Purple Loosestrife, Lythyrum salicaria
   

Ranunculaceae - Buttercup family

1. Black Cohosh, Cimicifuga racemosa
   

2. Virgin's Bower, Clematis virginiana
   

3. Leather Flower, Clematis viorna
   

4. Tall Buttercup, Ranunculus acris
   

5. Tall Meadowrue, Thalictrum pubescens
   

6. New jersey Tea, Ceanothus americanus
   

Rosaceae, Rose family

1. Agrimony, Agrimony grypsosepala
   

2. Small-flowered (Southern) Agrimony, Agrimony parviflora
   

3. Woodland Agrimony, Agrimony rostellata
   

4. Dalibarda, Dalibarda repens
   

5. White Avens, Geum canadense
   

6. Rough Cinquefoil, Potentilla norvegica
   

7. Sulphur Cinquefoil, Potentilla recta
   

8. Smooth Rose, Rosa blanda
   

9. Swamp Rose, Rosa palustris
   

10. Narrow-leaved Meadowsweet, Spirea alba
    

11. Meadowsweet, Spirea latifolia
    

12. Steeplebush, Spirea tomentosa
    

Rubiaceae - Madder family

1. Buttonbush, Cephalanthus occidentalis
   

2. Rough Bedstraw, Galium asprellum
   

3. Marsh Bedstraw, Galium palustre
   

4. Bluett, Houstonia caerulea
   

Sarraceniaceae - Pitcher-plant family

1. Northern Pitcher Plant, Sarracenia purpurea
   

Saxifagaceae - Saxifage family

1. Alumroot, Heuchera americana
   

Scrophulariaceae - Figwort or Scroph family

1. Downy False Foxglove, Aureolaria virginica
   

2. Dwarf Snapdragon, Chaenorrhinum minus
   

3. Butter and Eggs, Linaria vulgaris
   

4. Square-stemmed Monkeyflower, Mimulus ringens
   

5. Lanceleaf Figwort, Scrophularia lanceolata
   

6. Maryland Figwort, Scrophularia marilandica
   

7. Moth Mullein, Verbascum blattaria
   

8. Common Mullien, Verbascum thapsus
   

9. American Speedwell (Brooklime), Veronica americana
   

10. Culver's Root, Veronicastrum virginicum
    

Solanaceae - Nightshade family

1. Jimsonweed, Datura stramonium
   

2. Clammy Ground Cherry, Physalis heterophylla
   

3. Horse Nettle, Solanum carolinense
   

4. Bittersweet Nightshade, Solanum dulcamara
   

Typhaceae - Cat-tail family

1. Narrow-leaved Cat-tail, Typha angustifolia
   

2. Common Cat-tail, Typha latifolia
   

Urticaceae - Nettle family

1. False Nettle, Boehmeria cylindica
   

2. Clearweed, Pilea pumila
   

3. Stinging Nettle, Urtica dioca
   

4. Tall Nettle, Urtica procera
   

Verbenacaeae - Verbena family

1. Lance-leaved Fogfruit, Phyla lanceolata
   

2. Blue Vervain, Verbena hastata, Verbenacaeae
   

3. White Vervain, Verbena urticifolia, Verbenacaeae