What are the flowers and other plants that poison the ground around them so other plants cannot grow nearby?

walnut roots exhude a toxin that makes the soil inhospitable to plants under it.


I can't think of any others at the moment

FlowersBirthday FlowersSympathy Flowershttp://www.sarracenia.com/cp.html Here is a website about carniverous plants.





I don't know of any plants that poison the ground. There are many invasive plants that grow quickly and cover the ground, killing other plants. Could that be what you mean?skin disease