These seeds were collected from Agonis flexuosa, also known as Australian Willow Myrtle, Swan River peppermint, and Peppermint Tree. These trees can live in full sun to light shade where they grow 20 to 40 feet tall. The white blossoms are fragrant and bloom repeatedly throughout the year attracting many different birds, bees, and butterflies. USDA Hardiness Zones 9 to 11.