towering Jacob's ladder
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A bushy, clump-forming perennial to around 1m high, with long, pinnate leaves, divided into up to 30 lance-shaped leaflets held in offset pairs. Bell-shaped flowers, usually violet-blue but sometimes white, are produced in loose clusters on upright stems, from late spring through to late summer or early autumn. White-flowered varieties are often scented
Scientific classification
- Species
- towering Jacob's ladder (Polemonium archibaldiae)
- Genus
- Polemonium
- Family
- Polemoniaceae
- Information to be completed
- Toxicity
- Herbaceous Perennial
- Plant type
- 0.5-1 metres
- Height
- 0.1-0.5 metres
- Spread
- Deciduous
- Foliage
- Bushy
- Habit
- Spring · Summer · Autumn
- Season of interest
- Full sun · Partial shade
- Sunlight
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- Ideal temperature
towering Jacob's ladder pictures
Distribution of towering Jacob's ladder
Distribution map
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Culture
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Toxicity
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Quick identification of towering Jacob's ladder
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towering Jacob's ladder care guide
- Humus soil evenly moist, drain excess water to prevent rot roots
- Watering
- Full sun · Partial shade
- Sunlight
- Information to be completed
- Ideal temperature
Watering
Humus soil evenly moist, drain excess water to prevent rot roots
Fertilizing
FertilizingAll-purpose diluted flower feed once monthly growing season
Pruning
PruningDeadhead regularly to encourage new flowers
Propagation
PropagationPropagate by seed, sown in containers in a cold frame in autumn or spring, or by division in spring
Growing
GrowingGrow in fertile, moist but well-drained soil, will benefit from some shade where summers are hot
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Common pests and diseases
Diseases
May be susceptible to powdery mildews
Pests
Generally pest-free
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