Description for Celastrus scandens Plant height: 3 - 6 inches Plant spread: Celastrus scandens, commonly called American bittersweet or bittersweet, is a species of Celastrus that blooms mostly in June and is commonly found on rich, well-drained soils of woodlands. Common name(s): American bittersweet or bittersweet, Flower colours: Yellow Bloom time: May to June Max reachable height: 15.00 to 20.00 feet Difficulty to grow: easy to grow Planting and care In very cold climates, make sure you plant American bittersweet vine (Celastrus scandens) rather than Chinese bittersweet (Celastrus orbiculatus) American bittersweet vine is hardy in USDA plant hardiness zones 3b through 8, while Chinese bittersweet suffers frost damage and may die to the ground in USDA zones 3 and 4. It is hardy in zones 5 to 8. Sunlight: Full sun Soil: well-drained soil Water: Medium Temperature: 2 -50C Fertilizer: Apply any organic fertilizer Caring for Celastrus scandens American bittersweet