Ailanthus altissima, Lonicera japonica, Polygonum cuspidatum, Pueraria lobata and Rosa multiflora are eastern Asian plants, introduced into the United States as ornamentals during the past 200 years. Lonicera japonica and Pueraria lobata are already recognized as serious noxious weeds. Ailanthus altissima is a local nuisance, and Polygonum cuspidatum and Rosa multiflora are potential problems. Ailanthus altissima is established in 48 counties in North Carolina, Lonicera japonica in 97, Polygonum cuspidatum in 27, Pueraria lobata in 62, and Rosa multiflora in 57.