How air pollution affects plants

• 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.)

Read more in How to and Pests & Diseases