- 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.