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There are a few reasons why one should choose a native plant over a foreign one.

1. A native plant will be better adapted to the local conditions, whereas a foreign one may not, unless the area it is from has a similar geography and climate.

2. Poorly understood foreign plants may turn out to be a nuisance later on. Kudzu, for instance, was originally introduced to America to help stop soil erosion. Unfortunately, kudzu spreads rapidly, and began encroaching far beyond where they were intended. Kudzu is almost impossible to get rid of, both due to its extensive root system and its lack of diseases or predators in the US. 3. A foreign plant with a similar ancestry to a native one may intermingle genes. The native species will technically become extinct, because all individuals will be indistinguishable from the introduced one.

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16y ago

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