How to - Pests & Diseases

How air pollution affects plants

Pierre-Yves Comtois

Environmental toxins can be as bad for plants as they are for people

Plants sensitive to...

Ground-level ozone:
  • Northern catalpa (Catalpa speciosa)
  • White ash (Fraxinus americana cvs.)
  • Honeylocust (Gleditsia spp. and cvs.)
  • European larch (Larix decidua)
  • Mulberry (Morus spp. and cvs.)
  • Eastern white pine (Pinus strobus cvs.)
  • Oak (Quercus spp. and cvs.)
  • Common lilac (Syringa vulgaris cvs.)
  • Basswood (Tilia americana cvs.)
  • Grapes (Vitis spp. and cvs.).

Sulphur dioxide:

  • Birch (Betula spp. and cvs.)
  • Northern catalpa (Catalpa speciosa)
  • Bachelor’s buttons (Centaurea cyanus cvs.)
  • Cosmos (Cosmos bipinnatus cvs.)
  • Morning glory (Ipomoea purpurea cvs.)
  • Sweet pea (Lathyrus odoratus cvs.)
  • Crabapple (Malus spp. and cvs.)
  • Eastern white pine (Pinus strobus cvs.)


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