This twining vine has leathery, shiny, dark green leaves with numerous small white flowers.
When in bloom, it gives the appearance of fleece.
The vine has a fast growth rate, gaining a few feet in length each year.
The Spruce / Autumn Wood
This might be a welcome trait if you want to cover a fence or an unsightly structure.
Like all clematis, it is toxic to humans and pets.
Soil
The plant is not fussy about soil conditions if there is good drainage.
The Spruce / Autumn Wood
Water
Sweet autumn clematis has average water needs.
Roughly one inch of water per week, through rainfall or irrigation, is generally sufficient.
Withhold additional water during rainy spells, as this plant doesn’t like to sit in wet soil.
The Spruce / Autumn Wood
It does not have particular humidity requirements.
Fertilizer
Like all clematis species, this plant is a heavy feeder.
Apply alow-nitrogen fertilizer, such as 5-10-10, in the spring.
The Spruce / David Beaulieu
Then, repeat feeding every few weeks throughout the growing season.
Doing so will remove the seed heads and prevent self-sowing.
Some gardeners cut their sweet autumn clematis plants down to within 1 foot from the ground.
To share plants, transplant any seedlings that sprout up around a mature plant to a new location.
Potting and Repotting Sweet Autumn Clematis
Sweet autumn clematis grows well in containers.
Choose a large pot, 15 to 18 inches in diameter with large drainage holes.
Use potting soil blended with a general-purpose, slow-release fertilizer.
Potted plants need more frequent watering than plants in the landscape, especially during hot summer weather.
Plants grown in containers should remain outdoors during the winter but needwinterization to insulate the rootsfrom temperatures below freezing.
Foliage might appear dry, withered, and even black on affected plants.
Prune out and destroy affected foliage.
Use the appropriate fungicide or insecticide for the problem.
How Long Does Sweet Autumn Clematis Bloom?
The flowers last for several weeks and new flowers are being produced constantly during the two-month bloom period.
What Do Sweet Autumn Clematis Flowers Look and Smell Like?
The star-shaped pure white flowers measure 1 inch across.
They are small compared to other clematis varieties but the vine is covered in flowers.
They have asweet scent with hints of sugar, honey, and vanilla.
If that does not help, consider applying a fungicide.
Remove heavily affected leaves during the growing season.
In the spring, dig out any emerging vines promptly.
Clematis terniflora.North Carolina State University Cooperative Extension.
Sweet Autumn Virginsbower.Invasive,org.
Clematis Diseases.Pennsylvania State University Extension.
