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Almanac Planting Sweet Autumn Clematis (Clematis paniculata). Close up of its white flowers.

Sweet Autumn Clematis

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Clematis paniculata (aka Clematis terniflora)


Uses: Outdoor climbing, flowering perennial

Benefits: Attracts Pollinators, Climbs and Beautifies, Attracts Hummingbirds

Zones: 5 - 8

Sun: Full Sun to Partial Shade

Life Cycle: Perennial 

Mature Height: 20' to 30' climbing vine

Mature Width: 4'+ depending (may climb horizontally to greater extent)

Bloom Season: Late Summer to Mid-Fall


Sweet Autumn Clematis is a deciduous climbing vine that produces 1" white flowers.

Known for immensely fragrant blooms, especially noticeable early morning and late evening from August till frost, followed by a silvery mass of fluffy seed heads.

Blooms on new wood and grows quite rapidly in spring through summer.

Ideal for covering fences and sheds as it can reach 30 feet.

A prolific grower as well as bloomer! 

Attracts hummingbirds and butterflies!


Sweet Autumn Clematis Care

Clematis is known to be extremely low maintaitence and requires minimum care. 

Prune to control growth as necessary. It's best to do any heavy pruning and trimming during periods of dormancy, such as late fall (after flowering) or early spring. 

Clematis is known to tolerate partial shade. Although fully capable of thriving in full sun, it does best it spots where its leaves and flowers get lots sun and its base and roots get lots of shade. 

Water regularly after planting until established, or in periods of drought. 

Fertilizations will accelerate growth and keep your clematis well fed. We suggest using our slow release fertilizer, or something similiar such as a suitable fertilizer stake. 


Size of Clematis That You Ship

We ship our Clematis paniculata in 4" and 6" grow pot options. Each clematis will be appropriately sized for its pot.

Size of Sweet Autumn Clematis When Fully Grown

Clematis paniculata is a climbing vine that can grow up to 30' long. It climbs vertically and horizontally. It's width at the base usually does not exceed 4' in diameter and largely depends on its situation. 

Additional Information

Common Names of Clematis paniculata and Clematis terniflora

  • Sweet Autumn Clematis

  • Sweet Autumn Virginsbower 

Toxicity and Risks of Sweet Autumn Clematis

This plant is known to be toxic to pets and people. Its toxicity is a result of the fact that it contains a compound called glycoside, which is poisonous if ingested. 

Fortunately, Clematis paniculata has a very bitter taste that often discourages its consumption.

Vomiting, salivation and diarrhea are the most common symptoms of ingestion.