Plant Sweet-Scented Joe-Pye Weed in early spring or fall. Choose a location with full sun to partial shade and well-drained, moist soil. Space plants 2-3 feet apart. Water regularly to keep the soil consistently moist, especially during dry spells. Fertilize in early spring with a balanced fertilizer. Deadhead spent flowers to encourage more blooms. Divide clumps every 3-4 years in early spring to maintain vigor.