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Herbaceous Perennial

Polemonium 'Heaven Scent'PBR
  • RHS Plants for pollinators

Jacob's ladder 'Heaven Scent'

A clump-forming, deciduous perennial, producing dark green leaves flushed with purple. Upright stems bear lightly fragrant, open bell-shaped violet-purple flowers in the spring and summer.

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Purple Green Purple
Summer Purple Green Purple
Autumn Green Purple
Winter
Position
  • Full sun
  • Partial shade
Aspect

East–facing or South–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H6
Botanical details
Family
Polemoniaceae
Native to the UK
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 in sun or partial shade. Dead head regularly

Propagation

Sow seeds in containers in a cold frame in autumn or spring. Divide in spring. Propagate for own use only.

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 autumn

Pests

Generally pest-free

Diseases

May be susceptible to powdery mildew

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