Invasive Species

These are the invasive species that Plant Patrol has removed from parks and other green spaces in Indiana County, Pennsylvania.

  1. Autumn Olive (Elaeagnus umbellata)
  2. Barberry Bush (Berberis vulgaris)
  3. Burning Bush (Euonymus alatus)
  4. Garlic Mustard (Alliaria petiolata)
  5. Honeysuckle shrub (Lonicera spp.)
  6. Japanese Stiltgrass (Microstegium vimineum)
  7. Knotweed (Polygonum spp.)
  8. Mile-a-Minute Vine (Persicaria perfoliata)
  9. Multiflora Rose (Rosa multiflora)
  10. Periwinkle (Vinca spp.)
  11. Privet (Ligustrum spp.)
  12. Purple Loosestrife (Lythrum salicaria)
  13. Thistle (Cirsium spp.)
  14. Tree-of-Heaven (Ailanthus altissima)
  15. Water Chestnut (Trapa natans)

Upcoming Events

Blue Spruce Park

  • Sun, May 5, 1:00 – 4:00 pm

Yellow Creek State Park

  • Sat, May 25, 9:00 – 11:00 am