I dug up a raised garden bed that had oriental and Asiatic lily bulbs and bearded iris growing there for three years. Can I use this bed for vegetables now?
There won’t be a negative residual effect in the soil from these toxic plants. Unlike the chemical substance secreted by walnuts (juglans species), the compounds in the rhizomes and bulbs of iris and lilies do not leak into the soil around the plants. Enjoy your vegetable garden - and remember that foliage of tomato and potato plants are also poisonous.
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