Separating Plant Varieties - Knowledgebase Question

Neptune, NJ
Question by peherrmann
January 5, 1998
I have heard that tomatoes, peppers and eggplant are related and should not be planted near each other. Is this true? I have space for two small gardens with varying sunlight, so knowing where to plant these varieties will help.


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Answer from NGA
January 5, 1998

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That's true, they're all members of the Solanacea family. They should not be planted in the same area of the garden year after year, for three main reasons: 1) insects and diseases can overwinter in the soil and attack brand new plants early in the spring, 2) the soil can be depleted of certain nutrients by certain plants, 3) the same insects and diseases can attack all members of the same family. If you have room to put some distance between your peppers, tomatoes, and eggplant, by all means do so. Each of the plants mentioned are warm-season vegetables and will need full summer sun - 8-10 hours is best - and yields will be lower with less sun.

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