Tomato plants (Lycopersicon esculentum) should be grown in a different location each year. If they are planted in the same place for two or more years, problems like Verticillium wilt fungus and root knot nematode can build up. Tomatoes should also not be planted where their relatives, potatoes, peppers and eggplant, have grown, since they share many of the same problems.
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Marie Notnats enjoys learning about new topics and teaching people new skills. She has been writing professionally since 2008. She is a professional horticulturist with a Bachelor of Science degree in horticulture from Brigham Young University. She writes for About.com, Examiner.com, eHow, and assorted gardening blogs.