Japanese clematis is currently classified by the Florida Exotic Plant Pest Council as a Category II Invasive Species. It can self-seed, and has escaped cultivation and naturalized in many parts of the USA. Clematis terniflora prefers sun to partial shade and is found invading forest edges, rights of ways and urban green space especially near creeks. across (2.5 cm), from late summer to fall. Invasive species invade native populations and smother them out. Sweet autumn clematis is listed on the South Carolina Exotic Pest Council Invasive Species List as a significant threat. It is especially problematic in the East and lower Midwest. The only thing “sweet” about the sweet autumn clematis (Clematis terniflora) is its fragrance. Clematis dioscoreifolia DC (Synonym) Withhold additional water during rainy spells, as this plant doesn't like to sit in wet soil. A prolific grower as well as bloomer, it can “take over” if left unchecked, so sweet autumn clematis is considered somewhat invasive by many. Jump to navigation Jump to search. But if you want to share plants, the seedlings that sprout up around a mature plant can be transplanted wherever you wish. For more information, visit Invasive.org, Other Common Names: leatherleaf clematis, yam-leaved clematis, Related Scientific Names: There exists a good-looking specimen with small, abundant, fragrant white flowers. Clematis paniculata DC (Synonym), Last updated October 2018 / Privacy It needs a sturdy structure, as the plant can get quite massive and heavy. Leaflets are each 2 … Ranunculales > Ranunculaceae > Clematis terniflora DC Synonym(s): leatherleaf clematis, yam-leaved clematis Clematis terniflora– USDA PLANTS Profile Purple Loosestrife Formerly categorized as Clematis paniculata, sweet autumn clematis can grow to 30 feet, though 15 feet is a more typical mature size. The spent flowers are replaced by fuzzy seed heads that are also attractive. Sweet autumn clematis (Clematis terniflora) is a perennial flowering vine that produces sweetly fragrant flowers in the late summer and early fall, well after most other clematis plants are finished blooming. Description: Autumn clematis is a vine which may grow up to 30 feet. But when properly maintained, the vine can be a well-behaved asset to the garden at a time of year when pretty much everything else has stopped blooming. Their delightful fragrance, a mixture of sugar, honey, and vanilla, fills the air as you pass by. Sweet Autumn Clematis is easy to grow and can become invasive due to a rampant growth habit in addition to self-seeding. Autumn Clematis is native to East Asia and it is often cultivated as an ornamental plant. Questions and/or comments to the Bugwood Webmaster, Plant Invaders of Mid-Atlantic Natural Areas, Delaware Invasive Species Council Invasive Species List, Florida Exotic Pest Plant Council - Category II, Georgia Exotic Pest Plant Council - Category 3, Indiana Invasive Species Council - Invasive Plant List, Jil M. Swearingen, Survey of invasive plants occurring on National Park Service lands, 2000-2007, Kentucky Exotic Pest Plant Council - Severe Threat, National Park Service, Mid-Atlantic Exotic Plant Management Team Invasive Plant List, New Jersey Invasive Species Strike Team 2017 Invasive Species List, New York Regulated and Prohibited Invasive Species - Regulated, Non-Native Invasive Plants of Arlington County, Virginia, Non-Native Invasive Plants of the City of Alexandria, Virginia, Nonnative Invasive Species in Southern Forest and Grassland Ecosystems, Pennsylvania Department of Conservation and Natural Resources Invasive Plants, Treasure Coast Cooperative Invasive Species Mgmt. 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