Alleopathic plants & trees – plants or trees that inhibit the growth of other plants chemically

Alleopathic plants are plants that inhibit the growth of other plants chemically through their roots or through them shedding leaves that then fall to the ground a transfer chemicals to the soil that stop other plants from growing.  In the Milwaukee area there are a few plants & trees that definetly fit the bill.  First you have the Black Walnut tree which definitely will effect the growth of plants planted near it, especially tomatoes.  The wild Garlic Mustard that has taken over much of the natural areas in Milwaukee is also this type of plant, no wonder why it is so sucessful.  Next, the common sunflower can cause problems for some plants, but on the other hand it is suggested that you do plant them randomly in corn fields to increase yield.  This is just a short list of Milwaukee area plants that are alleopathic.  I’m sure there are many more out there known and unknown.  Here’s a link for an alleopathy definition http://en.wikipedia.org/wiki/Allelopathy

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One response to “Alleopathic plants & trees – plants or trees that inhibit the growth of other plants chemically

  1. potatoes can be alleopathic too, useful to eradicate some weeds.

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