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mimosa

  • The Mimosa Tree
    LuAnn Johnson
    You do not want this junk tree anywhere near your garden, as it self-seeds aggressively and many people are highly allergic to its pollen.
  • The National Champion Black Walnut (Juglans nigra) on Sauvie Island, Oregon.
    Allelopathic Items
    LuAnn Johnson
    Allelopathic plants release chemicals through their leaves and roots that prevent the germination and/or growth of nearby plants.