Polemonium yezoense 'Kaleidoscope' (v)
Jacob's ladder 'Kaleidoscope'
A clump-forming perennial to around 70cm tall with variegated, divided leaves; lance-shaped leaflets emerge with purple-pink edges that fade to creamy-yellow. Dark, upright stems bear clusters of blue-purple flowers from late spring into summer
Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Blue Purple | Pink Purple Green | ||
|---|---|---|---|---|
| Summer | Blue Purple | Pink Purple Green Cream Yellow | ||
| Autumn | Green Cream Yellow | |||
| Winter |
Position
- Full sun
- Partial shade
Aspect
South–facing or West–facing or East–facing
Exposure
Exposed or Sheltered Hardiness
H7Botanical details
- Family
- Polemoniaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Columnar upright
- Genus
Polemonium can be annuals or herbaceous perennials or upright or spreading habit, with pinnate leaves and usually clustered, tubular, bell, or funnel-shaped flowers
- Name status
Accepted
How to grow
Cultivation
Grow in any fertile, moist but well-drained soil preferably in full sun or partial shade
Propagation
Propagate by division in spring
Suggested planting locations and garden types
- Cottage and informal garden
- Flower borders and beds
Pruning
Deadhead flowered stems so as to prevent self-seeding
Pests
Generally pest-free
Diseases
Generally disease-free, but may be susceptible to powdery mildews
Get involved
The RHS is the UK’s gardening charity, helping people and plants to grow - nurturing a healthier, happier world, one person and one plant at a time.