The Q&A Archives: Leech Fields

Question: We have been on the city's sewer system for almost a year now. Is it safe to plant anything where the leech field for the septic tank used to be?

Answer: The concern about leach fields is that the roots of some trees and shrubs tend to seek out soil moisture and can invade the leach fields eventually rendering them useless. Now that the leach fields are no longer in use and there's no residual moisture, you can safely plant ornamental trees, shrubs, annuals and perennials. Just to be on the safe side, I would avoid planting root vegetables over the site. You would be safe in planting above-ground veggies such as tomatoes, peppers, corn, etc. Just avoid carrots, potatoes, turnips, etc.

Enjoy your new garden!

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