Sweet autumn clematis

Clematis terniflora

Photo/Illustration: 
Michelle Gervais
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Sweet autumn clematis (Clematis terniflora)
KLEM-ah-tiss ter-nih-FLOOR-ah
Synonyms:  C. dioscoreifolia
Genus:  Clematis
This deciduous, late-flowering twining vine with deep green leaves and profuse, fragrant white flowers is easy to grow and will thrive and bloom in shade. Star-shaped blossoms are 1 inch across, appearing from late August to October and maturing to attractive, plume-like seed heads. The shiny green foliage is leathery.
Noteworthy Characteristics:  Can self-seed invasively and has escaped cultivation and naturalized in the East and Midwest US. Without support, it will sprawl along the ground, covering up to 10 feet and choking most weeds.
Care:  Prefers full sun and average, well-drained but moist soil. Extremely rampant growth habit that may need hard pruning in fall or early spring.
Propagation:  Root softwood cuttings in spring, semi-ripe cuttings in early summer.
Problems:  Wilt, powdery mildew, rust, fungal spots, and stem cankers are common. Scale insects, whiteflies, earwigs, aphids can occur.

Overview

Height
10 ft. to 15 ft.
Spread
6 ft. to 10 ft.
Growth Habit
Spreads
Growth Pace
Fast Grower,
Invasive/Aggressive Grower
Light
Full Sun Only
Moisture
Medium Moisture
Maintenance
Low
Characteristics
Fragrant Flowers,
Self Seeds,
Showy Flowers,
Showy Seed Heads
Bloom Time
Early Fall,
Fall,
Late Summer,
Summer
Flower Color
White Flower
Uses
Beds and Borders,
Ground Covers,
Naturalizing,
Trellis
Seasonal Interest
Summer Interest
Type
Vines

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Clematis viticella 'Alba Luxurians'
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Clematis 'Ernest Markham'
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'Viola' clematis
Clematis 'Viola'
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Clematis ‘Nelly Moser’