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Plants Excluded from the United States Greenhouse Certification Program (USGCP) for Export to Canada

  • Abies spp.
  • Acer spp.
  • Aesculus spp.
  • Ajania spp.
  • Allium spp.
  • Arbutus spp.
  • Arctostaphyos spp.*
  • Berberis spp.
  • Capiscum spp.
  • Castanea spp.
  • Chaenomeles spp.
  • Chrysanthemum spp.*
  • Corylus spp.
  • Crataegus spp.
  • Cydonia spp.
  • Dendranthema spp.*
  • Elodea densa
  • Gaylussacia spp.
  • Heteromeles spp.
  • Hydrilla verticillata
  • Juniperus spp.
  • Larix spp.
  • Leucanthemum spp.*
  • Lithocarpus spp.
  • Lycopersicon spp.
  • Mahonia spp.
  • Mahoberberis spp.
  • Malus spp.
  • Myriophyllum spp.
  • Nicotiania tabacum
  • Nippoanthemum spp.*
  • Picea spp.
  • Pinus spp.
  • Prunus spp.
  • Pseudotsuga spp.
  • Pyrus spp.
  • Quercus spp.
  • Rhamnus spp.
  • Rhododendron spp.**
  • Rhus spp.
  • Rubus spp.
  • Sequoia spp.
  • Soanum spp.
  • Trapa spp.
  • Trientalis spp.
  • Ulmus spp.
  • Umbellularia spp.
  • Vaccinium spp.
  • Viburnum spp.
  • Vitis spp.
  • Zelkova spp.

* Only flowering potted mums are permitted

** Only greenhouse-grown florist azaleas are permitted

Note: Genera and species listed above are prohibited entry into Canada, or are subject to specific phytosanitary certification requirements.