Answer: Lemon Grass is a tender perennial that will die out in cold winter weather. It's not an invasive plant, but if you have a really hardy clump, you might want to divide it and plant part in a pot, then sink the pot to the rim in the garden. This will contain the roots and keep the Lemon Grass from spreading. Because it is so tender, it would be safest to pot part of the plant up and keep it indoors over the winter months. That way you'll be sure to have some when spring arrives.
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