Lemon Myrtle is native to the rainforest of Queensland and the New South Wales coast of Australia. Lemon Myrtle has a complex lemon-lime flavor with flowery accents. Lemon Myrtle contains citral and citronella and is known to be anti-bacterial, anti-viral, anti-inflammatory action. Lemon Myrtle has a sedative effect on the nervous system, which can help relieve strss and anxiety. The cut and dried leaves of Lemon Myrtle are infused like a tea and believed to fight off colds and the flu. Delicious Hot or Cold.