One blogger writes of this "Crushing Beauty":
"Sweet autumn clematis in my garden, one of my favorite of all plants. Exuberant at a time of year when I am mourning the end of the basil and need exuberance. Though I cut both plants off knee-high this spring, they are nonetheless taking down my nice Smith & Hawken iron arch."
Clematis paniculata
Height: 20-30 ft. (6-9 m)
Spacing: 9-12 in. (22-30 cm)
Hardiness: USDA Zone 4a: to -34.4 °C (-30 °F) to USDA Zone 9b: to -3.8 °C (25 °F)
Bloom Color: White/Near White
Flower Fragrance: Very Fragrant
Bloom Diameter: Small - less than 2 inches (5 cm)
Bloom Time: Late Summer/Early Fall/Mid Fall
Sun Exposure: Sun to Partial Shade
Other details: Average Water Needs; Water regularly; do not overwater
Danger: All parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction