Fungus at Spring Creek Valley by Rob Streit of Oak Park
Runner-up: Fungus at Spring Creek Valley by Rob Streit of Oak Park

Bloom Calendar

Woodland, Wetland and Prairie Wildflowers Blooming During Found in These Preserves
Feb Mar Apr May Jun Jul Aug Sep
Bloodroot Bloodroot * 3,10,25
Blue Flag Iris Blue Flag Iris * 11
Bluebells Bluebells * * 13
Common Milkweed Common Milkweed * * 1
Common Spiderwort Common Spiderwort * 7
Compass Plant Compass Plant * * 12,17,20
Cut-leaved Toothwort Cut-leaved Toothwort * * 3,9,19
Marsh Marigold Marsh Marigold * * 6
Mayapple Mayapple * 9,10,14,26
New England Aster New England Aster * 22
Prairie Blazing Star(s) Prairie Blazing Star(s) * * 2,4,20,22
Prairie Dock * 15,21
Rattlesnake Master Rattlesnake Master * * 18,20,22
Red Trillium Red Trillium * * 8
Rue Anemone Rue Anemone * 10
Sawtooth Sunflower Sawtooth Sunflower * * 22,23
Skunk Cabbage Skunk Cabbage * 7
Spring Beauty Spring Beauty * * 3,10,25,26
Tall Coreopsis Tall Coreopsis * * 15,21
Trout Lily Trout Lily * * 15,21
Wild Bergamot Wild Bergamot * 24
Wild Geranium Wild Geranium * 10
Wild Hyacinth Wild Hyacinth * 8
Wild Phlox Wild Phlox * 3
Cook County Forest Preserve Regional Map

  1. Bergman Slough
  2. Bluff Spring Fen
  3. Bunker Hill
  4. Burnham Prairie
  5. Calumet City Prairie
  6. Camp Sagawau
  7. Crooked Creek
  8. Dan Ryan Woods
  9. Eggers Woods
  10. Harms Woods
  11. Hidden Pond
  12. Kloempken Prairie
  13. LaBagh
  14. Lake Avenue Woods
  15. Little Red School House
  16. McLaughry Springs
  17. Orland Grassland
  18. Powderhorn Prairie
  19. Sauk Trail Woods
  20. Shoe Factory Road Woods
  21. Somme Prairie Grove
  22. Spears Woods
  23. Spring Lake
  24. Swallow Cliff
  25. Thatcher Woods
  26. Whistler Woods