Polemonium 'Northern Lights'
Jacob's ladder 'Northern Lights'
A compact, clump-forming deciduous perennial producing dark green leaves. Upright stems of clear blue, frangrant, sterile flowers with a yellow centre are produced in the spring and summer.
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Blue Yellow | Brown | ||
|---|---|---|---|---|
| Summer | Blue Yellow | Green | ||
| Autumn | Green | |||
| Winter |
Position
- Full sun
- Partial shade
Aspect
East–facing or South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H6Botanical details
- Family
- Polemoniaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Clump forming
- 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,well drained but moist soil, preferably in full sun
Propagation
Divide in spring. This plant is sterile so will not set seed
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Wildlife gardens
- Flower borders and beds
Pruning
Cut back to the base in late autumn
Pests
Generally pest-free
Diseases
May be susceptible to powdery mildew
Get involved
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