Answer: Lippia dulcis is the identity of your Aztec Sweet Herb. It's a member of the Verbena family. The plant is a fast-growing, attractive ground cover for areas with mild winters. (Hardy to 30 F.) The leaves have a curious and amazingly sweet flavor. Research into its use as a sugar substitute seems to indicate a tendency to cause thyroid
cancer in laboratory rats. Up to 53% of its essential oil is camphor. An attractive curiosity. Excellent in hanging baskets, the leaves turn red when temps drop below 50 .
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