Climbers

Clematis 'Jackmanii'

Clematis 'Jackmanii'

Size
3.5 m tall, 1 m across
Light
Full sun, part sun
Hardy to
-30 degrees
Flowers
June to September
  • A climber
  • Screening a view
  • Flowers for weeks
  • Goes upwards
Clematis 'Jackmanii'
An illustrative picture of the species, generated from its botanical name.

Safety

  • Eaten, it may upset a stomach.
  • A dog that chews it may get an upset stomach.
  • A cat that chews it may get an upset stomach.

Reviewed and approved for Poland by a qualified gardener with thirty years of practice, 22 September 2026.

What it needs, what it becomes

Type
Climbers
Family
Ranunculaceae
Size when mature
3.5 m tall, 1 m across
Light
Full sun, part sun
Moisture
Medium, moist
Soil
loam, clay
Soil pH
6 to 7.5
Hardy to
-30 degrees
Flowers
June to September
For pollinators
Good
Water
Medium water
Upkeep
Some
Growth
Fast
In Europe
Introduced
Spreading risk
None known
If eaten
People: Can upset a stomach · Dogs: Can upset a stomach · Cats: Can upset a stomach

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