Clematis paniculata - Sweet Autumn Clematis
Clematis paniculata - Sweet Autumn Clematis - Photo courtesy of Sean James Consulting & Design

Sweet Autumn Clematis

Clematis paniculata

  • AKA Clematis terniflora, Clematis dioscoreifolia, Clematis maximowicziana
  • Flower Colour: Delicate fragrant white flowers
  • Flower Size: 3 cm
  • Bloom Time: Late summer to early fall
  • Pruning Group: 3
  • Silver seed heads will persist
  • Leaves are mid-green, 12.5 cm long, with three ovate leaflets, semi-evergreen
  • Vigorous habit
  • Unlike most Clematis, will tolerate almost full shade



6-8 m

3-4 m

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Growing and Maintenance Tips:

All parts of this plant are poisonous, and can cause contact dermatitis. If ingested, can cause mouth ulcers and burning sensations in the mouth.  If burned, the smoke can be toxic.

Additional Notes about Sweet Autumn Clematis:

Invasive non-native  Possible alternate: Clematis virginiana.

Clematis are grouped into three different categories for pruning and maintenance:

Group 3: Late Flowering - Flowers form on the terminal 60-90 cm of the current season's growth. Some bloom as early as midsummer and continue into the fall. In early spring, prune each stem, leaving the lowest 2-3 buds. The new growth can be tipped back when it reaches about 30 cm, to induce better branching and flowering.

All parts of Clematis paniculata are poisonous.