- Name: Sweet Wormwood - Other Common Names: Sweet Annie / Sweet Sagewort / Annual Mugwort / Annual Wormwood / Chinese Wormwood / Huang Hua Hao / Qing Hao - Scientific Name: Artemisia Annua - Color: Yellow - Plant Seeds: Indoors Weeks Before Last Frost / Outdoors After Danger Of Frost - Bloom Time: Late Summer (Aug - Sept) - Hardiness Zone: N/A (It Is An Annual, But Reseeds Easily So It Acts Like A Perennial In All Zones) - Plant Height: 4 - 6' - Plant Spacing: 18 - 24" - Light Requirements: Sun - Soil Water Preferences: Average - Dry - Quantity: 1,000 Seeds - Other: Artemisia Annua Is A Very Fragrant Herb That Is Originally Native To Asia, But Has Become Naturalized In A Variety Of Locations Including North America. It Is Said To Have Antibacterial Antibacterial Properties, Has Been Used For Centuries In Chinese Medicine To Treat Fevers, Inflammation, Digestive Issues, Has Shown To Be An Excellent Combatant Against Malaria. The Leaves Essential Oil Is Used In Perfumes Other Various Applications. Some People Are Allergic To This Herb, So Use Caution When Handling It Consult A Medical Professional Before Any Usage.