Data specific to Clematis (Edit)
Growing Zones: USDA Zone 3 - with winter protection only
USDA Zone 4 - with winter protection only
USDA Zone 5 - with winter protection only
USDA Zone 6
Typical Plant Size: Typically under 3 feet
Pruning Group: Group 3 - Hard pruning recommended in early spring
Bloom Diameter: Very Small - 2 inches or smaller (<5 cm)
Small - 2 to 4 inches
Bloom Color (Tepals): Light to Lavender Blue hue
Center Color (Anthers): Yellow anthers
Bloom Shape: Bell shape
Suitability as Cut Flower: Untested as cut flower
Moisture Requirements: Average moisture requirements
Additional Information: Very attractive seedheads
Seeds breed true-to-parent
Recommendations: Other: Difficult and slow growing.

General Plant Information (Edit)
Plant Habit: Herb/Forb
Vine
Life cycle: Perennial
Sun Requirements: Partial or Dappled Shade
Water Preferences: Mesic
Flowers: Showy
Blooms on new wood
Flower Color: Lavender
Bloom Size: 1"-2"
2"-3"
Flower Time: Spring
Propagation: Seeds: Stratify seeds: 2 months warm then 2 months cold than warm. Can take several months to germinate.
Can handle transplanting
Pollinators: Flies
Bees
Miscellaneous: Goes Dormant

Image
Common names
  • Clematis
Botanical names
  • Accepted: Clematis hirsutissima
  • Synonym: Clematis douglasii
  • Synonym: Coriflora hirsutissima

Photo Gallery
Location: Timpooneke Trailhead, Giant Staircase, Utah County, Utah, United States
Date: 2023-06-26
Clematis hirsutissima var. hirsutissima
Location: South Fork, American Fork Canyon, Utah County, Utah, United States
Date: 2023-06-26
Clematis hirsutissima var. hirsutissima
Location: Timpooneke Trailhead, Giant Staircase, Utah County, Utah, United States
Date: 2023-06-26
Clematis hirsutissima var. hirsutissima
Location: Timpooneke Trailhead, Giant Staircase, Utah County, Utah, United States
Date: 2023-06-26
Clematis hirsutissima var. hirsutissima
Location: My Garden
Date: 2014-05-30
Location: My Garden
Date: 2013-06-04
Location: My Garden
Date: 2013-06-04

Photo by JW Stockert , Wikipedia

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